Microwave cooking packages and methods of making thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-001/02
B23B-023/00
출원번호
US-0981359
(2007-10-31)
등록번호
US-8440275
(2013-05-14)
발명자
/ 주소
Cole, Lorin R.
Bohrer, Timothy H.
Middleton, Scott W.
Robison, Richard G.
Lafferty, Terrence P.
O'Hagan, Brian R.
Wnek, Patrick H.
출원인 / 주소
Graphic Packaging International, Inc.
대리인 / 주소
Womble Carlyle Sandridge & Rice, LLP
인용정보
피인용 횟수 :
2인용 특허 :
150
초록▼
A microwave insulating material includes a dimensionally stable support, a patterned adhesive layer overlying at least a portion of the support, a polymer film layer overlying the patterned adhesive layer, and a plurality of expandable cells disposed between the support and the polymer film layer an
A microwave insulating material includes a dimensionally stable support, a patterned adhesive layer overlying at least a portion of the support, a polymer film layer overlying the patterned adhesive layer, and a plurality of expandable cells disposed between the support and the polymer film layer and defined by the patterned adhesive layer, wherein the expandable cells vary in size. A self-sealing microwave package includes a sheet of insulating material including a first surface, and a thermally activatable adhesive applied to at least a portion of the first surface.
대표청구항▼
1. An insulating microwave material comprising: a dimensionally stable substrate having a first side and a second side;a susceptor film joined to the first side of the dimensionally stable substrate by a substantially continuous layer of adhesive, the susceptor film comprising microwave energy inter
1. An insulating microwave material comprising: a dimensionally stable substrate having a first side and a second side;a susceptor film joined to the first side of the dimensionally stable substrate by a substantially continuous layer of adhesive, the susceptor film comprising microwave energy interactive material supported on a first polymer film, wherein the susceptor film is joined to the first side of the dimensionally stable substrate so that the microwave energy interactive material is disposed between the first polymer film and the first side of the dimensionally stable substrate; anda second polymer film at least partially covered by a layer of amorphous polyethylene terephthalate so that the layer of amorphous polyethylene terephthalate is in direct contact with the second polymer film, wherein the layer of amorphous polyethylene terephthalate is directly bonded in a patterned configuration to the second side of the dimensionally stable substrate to define a plurality of closed cells directly between the second side of the dimensionally stable substrate and the layer of amorphous polyethylene terephthalate, so that the closed cells are bounded by the second side of the dimensionally stable substrate and the layer of amorphous polyethylene terephthalate, wherein the closed cells are operative for inflating in response to microwave energy. 2. The insulating microwave material of claim 1, in combination with a tray for supporting a food item, wherein the tray includes a support panel and a flap joined to the support panel along a fold line, wherein the insulating microwave material overlies at least a portion of the support panel and at least a portion of the flap, and wherein the insulating microwave material is joined to the flap. 3. The combination of claim 1, wherein the closed cells are operative for inflating upon exposure to microwave energy so that the flap hinges toward the support panel along the fold line. 4. The combination of claim 1, wherein the flap includes a peripheral edge, andthe insulating microwave material extends substantially to the peripheral edge of the flap. 5. The combination of claim 1, wherein the flap includes a peripheral edge, andthe insulating microwave material extends beyond the peripheral edge of the flap. 6. The combination of claim 1, wherein the flap is a first flap,the tray includes a second flap, third flap, and fourth flap joined to the support panel along respective fold lines, andthe insulating microwave material is joined to at least a portion of each of the second flap, third flap, and fourth flap,wherein the closed cells of the insulating microwave material joined to the second flap, third flap, and fourth flap are operative for inflating upon exposure to microwave energy so that the second flap, third flap, and fourth flap hinge toward the support panel along the fold lines joining the second flap, third flap, and fourth flap to the support panel. 7. The insulating microwave material of claim 1, wherein the dimensionally stable substrate comprises a moisture-containing material. 8. The insulating microwave material of claim 7, wherein the moisture-containing material comprises paper or paperboard. 9. The insulating microwave material of claim 1, wherein the microwave energy interactive material comprises aluminum. 10. The insulating microwave material of claim 1, wherein at least one of the first polymer film and the second polymer film comprises polyethylene terephthalate. 11. The insulating microwave material of claim 1, wherein the first polymer film and the second polymer film each comprise polyethylene terephthalate. 12. The insulating microwave material of claim 1, wherein the closed cells are substantially resistant to vapor migration. 13. The insulating microwave material of claim 1, wherein the closed cells are approximately equal in size. 14. The insulating microwave material of claim 1, wherein the closed cells include at least some closed cells that vary in size from at least some other of the closed cells. 15. The insulating microwave material of claim 1, further comprising an oxygen barrier layer. 16. An insulating microwave material comprising: a moisture-containing substrate having a first side and a second side;a susceptor film comprising a thin layer of microwave energy interactive material supported on a first polymer film, the susceptor film being joined to the first side of the moisture-containing substrate with a substantially continuous layer of adhesive, so that the thin layer of microwave energy interactive material is positioned between the first polymer film and the first side of the moisture-containing substrate; anda second polymer film including a coating of amorphous polyethylene terephthalate directly on the second polymer film, wherein the coating of amorphous polyethylene terephthalate is bonded in a facing, contacting relationship to the second side of the moisture-containing substrate in a patterned configuration that defines a plurality of closed cells directly between the second side of the moisture-containing substrate and the coating of amorphous polyethylene terephthalate, so that the closed cells are bounded by the second side of the dimensionally stable substrate and the layer of amorphous polyethylene terephthalate, wherein the closed cells are operative for inflating in response to microwave energy. 17. The insulating microwave material of claim 16, wherein the microwave energy interactive material comprises aluminum. 18. The insulating microwave material of claim 16, wherein at least one of the first polymer film and the second polymer film comprises polyethylene terephthalate. 19. The insulating microwave material of claim 16, wherein the moisture-containing substrate releases water vapor upon exposure to microwave energy, the water vapor being for at least partially inflating the closed cells. 20. An insulating microwave material comprising: a layer of microwave energy interactive material supported on a first polymer film;a dimensionally stable substrate having a first side and a second side;a substantially continuous layer of adhesive disposed between the first side of the dimensionally stable substrate and the layer of microwave energy interactive material, so that the layer of microwave energy interactive material supported on the first polymer film is joined to the first side of the dimensionally stable substrate;a second polymer film; anda layer of amorphous polyethylene terephthalate disposed directly on the second polymer film so that the layer of amorphous polyethylene terephthalate is in a facing, contacting relationship with the second side of the dimensionally stable substrate, wherein the layer of amorphous polyethylene terephthalate defines a plurality of bonded areas and unbonded areas between the second side of the dimensionally stable substrate and the second polymer film, so that the unbonded areas are positioned directly between and are bounded by the second side of the dimensionally stable substrate and the layer of amorphous polyethylene terephthalate, wherein the unbonded areas define inflatable cells that are operative for inflating upon exposure to microwave energy. 21. The insulating microwave material of claim 20, wherein the layer of microwave energy interactive material heats upon impingement of microwave energy. 22. The insulating microwave material of claim 20, wherein the layer of microwave energy interactive material comprises a metal. 23. The insulating microwave material of claim 20, wherein at least one of the first polymer film and the second polymer film comprises polyethylene terephthalate. 24. The insulating microwave material of claim 20, wherein the inflatable cells are defined by the bonded areas. 25. The insulating microwave material of claim 24, wherein the inflatable cells are substantially resistant to vapor migration along the bonded areas. 26. The insulating microwave material of claim 24, wherein the dimensionally stable substrate contains moisture, andupon exposure to microwave energy, the dimensionally stable substrate releases water vapor inflating the inflatable cells. 27. The insulating microwave material of claim 24, wherein the inflatable cells include at least some inflatable cells that vary in size from at least some other of the inflatable cells. 28. A method of making the insulating microwave material of claim 6, the method comprising: joining the dimensionally stable substrate to the microwave energy interactive material supported on the first polymer film with the substantially continuous layer of adhesive so that the microwave energy interactive material is disposed between the first polymer film and the first side of the dimensionally stable substrate;arranging the dimensionally stable substrate in a superposed relationship with the second polymer film at least partially covered by the layer of amorphous polyethylene terephthalate, so that the layer of amorphous polyethylene terephthalate faces the second side of the dimensionally stable substrate; andcontacting the arranged layers with a thermo-mechanical bonding element having a patterned configuration, so that the amorphous polyethylene terephthalate is heated above the softening temperature of the amorphous polyethylene terephthalate so that the amorphous polyethylene terephthalate bonds to the dimensionally stable substrate in the patterned configuration, wherein the patterned configuration of bonding defines the plurality of closed cells. 29. The method of claim 28, further comprising selecting the patterned configuration of bonding so that the plurality of closed cells includes at least some closed cells that vary in size from at least some other closed cells. 30. The method of claim 28, further comprising selecting the patterned configuration of bonding so that the plurality of closed cells includes closed cells arranged to form a periphery and closed cells positioned within the periphery, wherein the closed cells of the periphery differ in size from the closed cells within the periphery. 31. The method of claim 30, further comprising selecting the patterned configuration of bonding so that the closed cells of the periphery are larger than the closed cells within the periphery. 32. The method of claim 28, wherein contacting the arranged layers with a thermo-mechanical bonding element in the patterned configuration comprises placing the arranged layers between a punch section and a cavity section of a thermo-mechanical bonding device, wherein at least one of the punch section and the cavity section includes the thermo-mechanical bonding element, andengaging the punch section and the cavity section with the arranged layers therebetween to bring the bonding element into contact with the arranged layers so that the amorphous polyethylene terephthalate bonds to the dimensionally stable substrate in the patterned configuration. 33. The method of claim 32, wherein the bonding element is a first bonding element of a plurality of bonding elements, andthe bonding elements are arranged to define the plurality of closed cells. 34. The method of claim 33, wherein the bonding elements are configured so that the plurality of closed cells includes some closed cells that vary in size from at least some other closed cells. 35. The method of claim 32, wherein the bonding element is a first bonding element of a plurality of bonding elements,the punch section and the cavity section each include at least one bonding element of the plurality of bonding elements, andthe bonding elements in the punch section and the cavity section are in substantial alignment. 36. The method of claim 32, wherein the bonding element is a first bonding element of a plurality of bonding elements,the punch section and the cavity section each include at least one bonding element of the plurality of bonding elements, andthe bonding elements in the punch section and the cavity section are not in substantial alignment. 37. The method of claim 32, wherein only the punch section includes the bonding element. 38. The method of claim 32, wherein only the cavity section includes the bonding element. 39. The method of claim 32, wherein the cavity section is shaped to define an outer surface of a container and the punch section is shaped to define an inner surface of the container. 40. An insulating microwave material comprising: a layer of microwave energy interactive material supported on a first polymer film;a moisture-containing substrate having a first side and a second side, the first side of the moisture-containing substrate being joined to the layer of microwave energy interactive material by a substantially continuous layer of adhesive disposed between the layer of microwave energy interactive material and the first side of the moisture-containing substrate;a second polymer film including amorphous polyethylene terephthalate coated directly on a side of the second polymer film facing the second side of the moisture-containing substrate, wherein the amorphous polyethylene terephthalate is joined in a facing, contacting relationship to the second side of the moisture-containing substrate in a patterned configuration that defines a plurality of bonded areas and unbonded areas directly between and bounded by the second side of the moisture-containing substrate and the amorphous polyethylene terephthalate, wherein the unbonded areas are operative for inflating in response to microwave energy; anda third polymer film operative for reducing the transmission of oxygen through the insulating microwave material. 41. The insulating microwave material of claim 40, wherein the third polymer film comprises ethylene vinyl alcohol, nylon 66, or a combination thereof. 42. The insulating microwave material of claim 40, wherein the oxygen barrier layer is disposed between the moisture-containing substrate and the second film layer. 43. The insulating microwave material of claim 40, wherein the oxygen barrier layer is disposed between the layer of microwave energy interactive material and the moisture-containing substrate. 44. The insulating microwave material of claim 40, wherein the oxygen barrier layer is superposed with the first polymer film distal the moisture-containing substrate. 45. The insulating microwave material of claim 40, wherein the oxygen barrier layer is superposed with the second film layer distal the dimensionally stable substrate. 46. The insulating microwave material of claim 1, in combination with a carton, the carton comprising a tray including a bottom panel and a plurality of substantially upstanding walls defining an interior space for receiving a food item, the bottom panel including an interior surface facing the interior space and an exterior surface opposite the interior surface, anda lid foldably joined to a first wall of the plurality of substantially upstanding walls, the lid including an interior surface facing the interior space,wherein the insulating microwave material is joined to at least a portion of the interior surface of the lid, and wherein the lid is adapted to be configured so that the insulating microwave material is disposed beneath the bottom panel. 47. The combination of claim 46, wherein the lid includes a tab adapted to be received in a slot in the bottom panel with the package in an open configuration. 48. The combination of claim 46, wherein the plurality of upstanding walls includes a second wall opposite the first wall, andthe lid includes a tab adapted to be received in a slot in the second panel with the package in a closed configuration. 49. The combination of claim 46, further comprising microwave energy interactive material overlying the interior surface of the bottom panel. 50. A method of packaging a food item, comprising: unwinding onto a moving belt a first web of insulating microwave material according to claim 1;placing a food item having a leading edge onto the first web of insulating microwave material according to claim 1;unwinding over the food item a second web of insulating microwave material;advancing the leading edge of the food item to an integrated heat seal and cutoff tool including a heat seal tool, anda blade coaxially aligned with the heat seal tool; andactuating the heat seal tool, thereby bonding the second web of insulating microwave material to the first web of insulating microwave material, andcutting through the first web of insulating microwave material and the second web of insulating microwave material. 51. The method of claim 50, wherein actuating the heat seal tool comprises bringing the heat seal tool into contact with the second web of insulating microwave material, thereby causing the second web of insulating microwave material to contact the first web of insulating microwave material,forming a thermo-mechanical bond between the first web of insulating microwave material and the second web of insulating microwave material,extending the blade toward the bonded first web of insulating microwave material and the second web of insulating microwave material,cutting the bonded first web of insulating microwave material and the second web of insulating microwave material, andwithdrawing the blade into the heat seal tool. 52. The method of claim 50, wherein the integrated heat seal and cutoff tool further includes a plate supporting the first web of insulating microwave material, the plate being configured to receive the blade when the integrated heat seal and cutoff tool is actuated. 53. The method of claim 50, wherein the heat seal tool is a first heat seal tool, andthe integrated heat seal and cutoff tool further comprises a second heat seal tool supporting the first web of insulating microwave material, the second heat seal tool being configured to receive the blade when the integrated heat seal and cutoff tool is actuated. 54. The insulating microwave material of claim 1 in combination with a carton, the carton including a base, a lid, and a plurality of walls, wherein the base, lid, and walls each have an interior surface, and wherein the insulating microwave material is joined to at least a portion of the interior surface of at least one of the base, lid, and walls. 55. The combination of claim 54, for being used to at least one of heat, brown, and crisp a food item in a microwave oven, wherein the expandable cells are arranged to provide an insulating region, a non-insulating region, or any combination of insulating regions and non-insulating regions within the carton. 56. The combination of claim 54, for being used to at least one of heat, brown, and crisp a food item in a microwave oven, wherein at least some of the expandable cells are at least partially expanded prior to heating in the microwave oven.
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이 특허에 인용된 특허 (150)
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Wendt Dan J. (Lino Lakes MN) Kemske Jonathon D. (New Brighton MN) Pesheck Peter S. (Brooklyn Center MN), Apparatus for heating a food item in a microwave oven having heater regions in combination with a reflective lattice str.
Maynard Patrick L. (Combined Locks WI) Schmelzer Michael A. (Appleton WI) Pawlowski Thomas D. (Neenah WI), Control of microwave interactive heating by patterned deactivation.
Maynard Patrick L. (Combined Locks WI) Schmelzer Michael A. (Appleton WI) Pawlowski Thomas D. (Neenah WI) Hollenberg David H. (Neenah WI) Katz Leon (Stamford CT) VanHandel Gerald J. (Neenah WI), Control of microwave interactive heating by patterned deactivation.
Thota Hamsa A. P. (St. Simons Island GA) Shetty Shankara R. (St. Simons Island GA), Cook and serve food package for the storing and heating by microwave energy of a food item.
Peleg Yigal (Solon OH) Sears Gregory A. (Cuyahoga Falls OH) Payne David S. (Streetsboro OH), Easy open microwave susceptor sleeve for pizza and the like.
Standing Charles N. (Minneapolis MN) Brandberg Lawrence C. (Minneapolis MN), Food package for assuring uniform distribution of microwave energy and process for heating food.
Wnek, Patrick H.; Lafferty, Terrence P.; Robison, Richard G.; Cole, Lorin R.; O'Hagan, Brian R.; Middleton, Scott W., Insulating microwave interactive packaging.
Maheux David (Laconia NH) Tomich Robert (Concord NH), Method of distributing heat in food containers adapted for microwave cooking and novel container structure.
Cole, Lorin R.; Bohrer, Timothy H.; Middleton, Scott W.; Robison, Richard G.; Lafferty, Terrence P.; O'Hagan, Brian R.; Wnek, Patrick H., Microwave cooking packages and methods of making thereof.
Watkins James D. (Prior Lake MN) Brandberg Lawrence C. (Crystal MN) Watkins Jeffrey T. (St. Paul MN) Turpin Charles H. (Minneapolis MN) Hanson Denise E. (Elk River MN), Microwave corn popping package having flexible and expandable cover.
Chamberlain Craig S. (St. Paul MN) Connell Glen (St. Paul MN) LePere Pierre H. (St. Paul MN) Minick Chris A. (St. Paul MN) Palmgren Charlotte M. (St. Paul MN) Tait William C. (St. Paul MN) Vesley Geo, Microwave heatable composites.
Chamberlain Craig S. (Woodbury MN) Connell Glen (White Bear Lake MN) LePere Pierre H. (Cottage Grove MN) Minick Chris A. (Stillwater MN) Palmgren Charlotte M. (Lake Elmo MN) Tait William C. (Oak Park, Microwave heatable composites.
Winters William C. (Bloomington MN) Chang Hsien-Hsin (Minneapolis MN) Anderson George R. (Minneapolis MN) Easter Ross A. (Minneapolis MN) Sholl Jeffrey J. (New Brighton MN), Microwave heating package, method and susceptor composition.
Habeger ; Jr. Charles C. (Appleton WI) Pollart Kenneth A. (Mason OH) Josephy Karl (Los Angeles CA) Rettker James P. (Glenwood IL) Thomas Richard M. (Dyer IN), Microwave impedance matching film for microwave cooking.
Nagwa Zaki Sadek ; Mark Elliot Ingelin ; Alan Carl Ebeling ; Erica Ann LaBarge ; Kathleen Gail Roy, Microwave package and support tray with features for uniform crust heating.
Moseley Jennifer D. ; Little John C. ; Narramore Richard W. ; Main Charles A. ; Berens ; Jr. Alan Paul, Microwave popcorn bag with continuous susceptor arrangement.
Brandberg Lawrence C. (Minneapolis MN) Hanson Denise E. (Elk River MN) Watkins Jeffrey T. (St. Paul MN), Microwave susceptor with attenuator for heat control.
Babu Gaddam N. (Woodbury MN) Christopher Susan S. (Spring Valley WI) LePere Pierre H. (Cottage Grove MN) Peterson James R. (St. Paul MN), Microwave-active tape having a cured polyolefin pressure-sensitive adhesive layer.
Babu Gaddam N. (Woodbury MN) Christopher Susan S. (Spring Valley WI) LePere Pierre H. (Cottage Grove MN) Peterson James R. (St. Paul MN), Microwave-active tape having a cured polyolefin pressure-sensitive adhesive layer.
Gics Paul W. (Sewickley Heights PA), Non-circular ovenable food package having a base with depending leg members and at least one raised portion and associat.
Gics Paul W. (Sewickley Heights PA), Ovenable food package including a base with depending leg member and a plurality of raised portions and associated food.
Perry Michael R. (Plymouth MN) Lonergan Dennis A. (Corcoran MN) Ash Belinda K. (Golden Valley MN) Taylor Anthony B. (Minneapolis MN), Package for crisping the surface of food products in a microwave oven.
Kane William Paul (Bon Air VA), Polyethylene terephthalate/paperboard laminate and method of making it, container blank formed from such laminate and co.
Telford Susan Weiher,DEX ; Aruga Michio,JPX ; Chang Mei, Preconditioning process for treating deposition chamber prior to deposition of tungsten silicide coating on active substrates therein.
Pawlowski Thomas D. (Neenah WI) Brown Richard K. (Hortonville WI), Sleeve for crisping and browning of foods in a microwave oven and package and method utilizing same.
Pesheck Peter S. (Brooklyn Center MN) Shevlin Craig (Belo Horizonte MN BRX) Kemske Jonathan D. (White Bear MN) Perry Michael R. (Plymouth MN) Lorence Matthew W. (Bloomington MN), Susceptor for heating foods in a microwave oven having metallized layer deposited on paper.
Quick James R. (Greenwood Lake NY) Alexander James L. (Memphis TN) Lai Christopher C. (Battlecreek MI) Matthews Susan A. (Mobile AL) Wenzel Donna J. (Middletown NY), Tube from microwave susceptor package.
Cole, Lorin R.; Bohrer, Timothy H.; Middleton, Scott W.; Robison, Richard G.; Lafferty, Terrence P.; O'Hagan, Brian R.; Wnek, Patrick H., Microwave cooking packages and methods of making thereof.
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