Product portion enrobing machines and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A24B-013/00
A24F-023/02
D01D-005/18
D01D-011/06
A24B-015/18
D01D-005/098
D01D-005/00
A24B-015/28
A24B-003/14
A24B-015/14
A24B-015/40
출원번호
US-0213108
(2014-03-14)
등록번호
US-9648904
(2017-05-16)
발명자
/ 주소
Carroll, Andrew Nathan
Black, Shannon Maxwell
Sun, Yan Helen
Burke, William J.
Smith, Robert
출원인 / 주소
ALTRIA CLIENT SERVICES LLC
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
0인용 특허 :
26
초록▼
An apparatus for enrobing a product portion can include at least one polymer spray head adapted to create at least one flow of polymeric fibers to produce at least one polymer enrobing zone and a conveyor system adapted to move at least one product portion from at least one position below at least o
An apparatus for enrobing a product portion can include at least one polymer spray head adapted to create at least one flow of polymeric fibers to produce at least one polymer enrobing zone and a conveyor system adapted to move at least one product portion from at least one position below at least one polymer enrobing zone and to at least one position above at least one polymer enrobing zone to drop each product portion through one or more polymer enrobing zones a plurality times at different orientations to enrobe each product portion with polymeric fibers.
대표청구항▼
1. A method of enrobing a product portion in polymer strands comprising: a) directing a plurality of polymeric fibers from a first polymer spray head to create at least a first polymer enrobing zone, and optionally directing a plurality of polymeric fibers from a second polymer spray head to create
1. A method of enrobing a product portion in polymer strands comprising: a) directing a plurality of polymeric fibers from a first polymer spray head to create at least a first polymer enrobing zone, and optionally directing a plurality of polymeric fibers from a second polymer spray head to create a second polymer enrobing zone;b) dropping at least one product portion through said first polymer enrobing zone to perform a first drop;c) after said first drop, conveying said at least one product portion from a position below said first polymer enrobing zone to a position above said first polymer enrobing zone or a position above said second polymer enrobing zone for a second drop through a polymer enrobing zone using a conveyor belt, a rotary drum, or a pneumatic tube, said product portion having a different orientation in subsequent drops through one or more polymer enrobing zones; andd) after said step of conveying, dropping said at least one product portion through said first polymer enrobing zone or through said second polymer enrobing zone to perform said second drop. 2. The method of claim 1, wherein a conveyor belt, rotary drum, or pneumatic tube is used to move said at least one product portion from below said first polymer enrobing zone to a position above said first polymer enrobing zone. 3. The method of claim 2, further comprising moving said at least one product portion laterally relative to said polymer spray head with a series of baffles with each drop through said first polymer enrobing zone. 4. The method of claim 1, wherein a conveyor belt or pneumatic tube is used to move said at least one product portion from below said first polymer enrobing zone to a position above said second polymer enrobing zone. 5. The method of claim 1, further comprising dropping said at least one product portion through at least 3 polymer enrobing zones. 6. The method of claim 1, further comprising collecting at least some of said plurality of polymeric fibers exiting said first polymer spray head on a polymer collection roller or collection conveyor. 7. The method of claim 1, wherein a plurality of product portions are intermittently introduced at one side of said first polymer enrobing zone, dropped through said first polymer enrobing zone a plurality of times, moved laterally between each drop, and collected at an opposite side of said polymer enrobing zone. 8. The method of claim 1, wherein said at least one product portion comprises a consumable product. 9. The method of claim 8, wherein said at least one product portion comprises tobacco. 10. The method of claim 9, wherein said at least one product portion comprises smokeless tobacco. 11. The method of claim 8, wherein said at least one product portion has an overall oven volatiles content of about 4% by weight to about 61% by weight. 12. The method of claim 8, wherein said at least one product portion comprises a binder. 13. The method of claim 12, wherein said at least one product portion comprises between 0.1 and 0.5 weight percent of a binder. 14. The method of claim 12, wherein the binder comprises guar gum, xanthan gum, cellulose gum, or a combination thereof. 15. The method of claim 1, wherein a surfactant is applied to the plurality of polymeric fibers at each polymer enrobing zone as they exit the respective polymer spray head. 16. The method of claim 1, wherein the at least one product portion is enrobed in a covering of polymeric fibers having a basis weight of less than 30 gsm after a plurality of drops through one or more polymer enrobing zones. 17. The method of claim 1, wherein the polymeric fibers enrobing said at least one product portion have a diameter of less than 100 microns. 18. The method of claim 17, wherein the polymeric fibers enrobing said at least one product portion have a diameter of less than 30 microns. 19. The method of claim 1, wherein said at least one product portion has a spin when dropped through said first polymer enrobing zone. 20. The method of claim 1, further comprising applying an electrostatic charge to said plurality of polymeric fibers exiting each polymer spray head, said at least one product portion, or a combination thereof. 21. The method of claim 1, wherein the polymeric fibers exiting each polymer spray head are above a melt temperature for the polymer when impacting the at least one product portion such that they conform to structures on the exterior of said at least one product portion. 22. The method of claim 1, wherein each polymer spray head is a meltblowing apparatus that melt-blows the polymeric fibers in an upward direction. 23. The method of claim 1, wherein the polymeric fibers exiting each polymeric spray head are melt-blown fibers having a diameter of between 0.5 and 10.0 microns. 24. The method of claim 1, wherein the polymeric fibers exiting each polymeric spray head are centrifugal force spun fibers having a diameter of between 0.01 microns and 1.0 micron. 25. The method of claim 23, wherein the melt-blown polymeric fibers are quenched below a melt temperature of the polymer upon impacting the body. 26. The method of claim 1, wherein the polymeric fibers exiting each polymeric spray head comprise polypropylene. 27. The method of claim 1, wherein the polymeric fibers exiting each polymeric spray head comprise polyurethane. 28. The method of claim 1, wherein the polymeric fibers exiting each polymeric spray head comprise at least two different materials. 29. The method of claim 28, wherein the at least two different polymeric materials are coextruded to form composite polymeric fibers of the two polymeric materials. 30. The method of claim 28, wherein at least one of the polymeric materials is mouthstable and at least one of the polymeric materials is mouth-dissolvable. 31. The method of claim 1, wherein the polymeric fibers exiting each polymeric spray head comprise a colorant.
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