IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0270801
(2002-10-15)
|
발명자
/ 주소 |
- Benim,Thomas E.
- Chamberlin,Susan G.
- Chambers,Jeffrey A.
- Cosentino,Steven R.
- Hunderup,Peter R.
- Lee,Ross A.
- Procaccini,Susan D.
|
출원인 / 주소 |
- E. I. du Pont de Nemours and Company
|
인용정보 |
피인용 횟수 :
14 인용 특허 :
11 |
초록
▼
An insulating label stock or sleeve formed from such label stock includes a thermal insulating layer, which may a fiberfill batt. The batt is laminated to at least one layer of heat shrinkable material, such as a film. The insulated packaging material may be coated with a coating material to enhan
An insulating label stock or sleeve formed from such label stock includes a thermal insulating layer, which may a fiberfill batt. The batt is laminated to at least one layer of heat shrinkable material, such as a film. The insulated packaging material may be coated with a coating material to enhance printing capabilities. The insulating label stock or sleeve is installed around a container, and after being activated by heating, conforms to the contours of the container. The insulating label stock retains its hot and cold insulative properties after being heat-shrunk.
대표청구항
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What is claimed is: 1. An insulating label stock, comprising: a thermal insulating layer, which has a first surface, a second surface, and a thermal resistance in the range of 0.05 to 0.5 CLO (0.0077 to 0.077 m2*K/W) wherein the label stock has a thickness of at least 0.0075 inch (0.019 cm); the fi
What is claimed is: 1. An insulating label stock, comprising: a thermal insulating layer, which has a first surface, a second surface, and a thermal resistance in the range of 0.05 to 0.5 CLO (0.0077 to 0.077 m2*K/W) wherein the label stock has a thickness of at least 0.0075 inch (0.019 cm); the first surface has laminated thereon a first heat shrinkable face material; the second surface has laminated thereon a second heat shrinkable face material; and the second heat shrinkable face material has a different thermal shrinkage from the first heat shrinkable face material when heat is applied to the first heat shrinkable face material wherein the label stock has a thickness in the range of 0.0075 inch (0.0 190 cm) to 0.07 inch (0.1778 cm). 2. The insulating label stock of claim 1 wherein the thermal insulating layer comprises polyethylene, polypropylene, or polyester. 3. The insulating label stock of claim 2, wherein the thermal insulating layer comprises fiberfill bait, melt blown fiber, knit fabric, woven material, or fleece. 4. The insulating label stock of claim 1 wherein the thermal insulating layer comprises a fiberfill batt. 5. The insulating label stock of claim 4 wherein the fiberfill batt comprises polyethylene, polypropylene, or polyester. 6. The insulating label stock of claim 1 wherein each of the first and second heat shrinkable face materials independently comprises or is formed from polyester, polyethylene, polypropylene, poly(vinyl chloride), PETG copolyester, PET/PETG blends, amorphous PET, oriented polystyrene or oriented polypropylene. 7. The insulating label stock of claim 1 wherein each of the first and second heat shrinkable face materials comprises, or is laminated to the insulating layer with adhesive. 8. The insulating label stock of claim 6 wherein each of the first and second heat shrinkable face materials comprises or is laminated to the insulating layer with pressure sensitive adhesive, hot melt adhesive, or solvent-based adhesive. 9. The insulating label stock of claim 1 wherein the first and second heat shrinkable face materials shrinks preferentially in one direction when heat is applied to the first heat shrinkable face material. 10. The insulating label stock of claim 4 wherein the first and second heat shrinkable face materials shrinks preferentially in one direction when heat is applied to the first heat shrinkable face material. 11. The insulating label stock of claim 8 wherein the second heat shrinkable face materials shrinks more than the first heat shrinkable face material when heat is applied to the first heat shrinkable face material. 12. The insulating label stock of claim 1 wherein the thermal insulating layer comprises polyethylene, polypropylene, or polyester. 13. The insulating label stock of claim 12, wherein the second heat shrinkable face material has a higher thermal shrinkage than the first heat shrinkable face material has. 14. The insulating label stock of claim 1 wherein the thermal insulating layer is printed on its first surface. 15. The insulating label stock of claim 11 wherein the heat shrinkable material has applied thereon a coating for printing. 16. The insulating label stock of claim 11 wherein the thermal insulating layer comprises a knit fabric having tetrachannel fibers or scalloped oval fibers. 17. The insulating label stock of claim 11 wherein the edges of the label stock are sealed to prevent the fluid from penetrating the edges of the label stock. 18. The insulating label stock of claim 17 wherein the edges are sealed by a hot knife or by folding the heat shrinkable face material bark onto itself. 19. An insulating label stock consisting essentially of a thermal insulating layer, which has a first surface and a second surface wherein the label stock has a thickness of at least 0.0075 inches (0.0190 cm); the thermal insulating layer comprises a fiberfill bat having a thermal resistance in the range of 0.05 to 0.5 CLO (0.0077 to 0.077 m2*K/W); the first surface has laminated thereon a first shrinkable face material; the second surface has laminated thereon a second heat shrinkable face material; the second shrinkable face material has a larger thermal shrinkage than the first face material has. 20. The insulating label stock of claim 19, wherein the fiberfill batt comprises one or more fibers selected from the group consisting of polyethylene, polypropylene, and polyester. 21. The insulating label stock of claim 19, wherein the fiberfill batt is a polyester fiberfill batt. 22. The insulating label stock of claim 20 wherein the edges of the label stock are sealed to prevent fluid from penetrating the edges of the label stock. 23. The insulating label stock of claim 19, wherein the thermal insulating layer is printed on its first surface. 24. The insulating label stock of claim 22 wherein the first heat shrinkable material has applied thereon a coating for printing. 25. The insulating label stock of claim 22 wherein the edges are sealed by a hot knife or by folding the first heat shrinkable face material back onto itself. 26. The insulating label stock of claim 22, wherein each of the first and second heat shrinkable face materials independently comprises polyester, polyethylene, polypropylene, poly(vinyl chloride), PETG copolyester, PET/PETG blends, amorphous PET, oriented polystyrene or oriented polypropylene. 27. The insulating label stock of claim 26 wherein the first heat shrinkable face material and the second heat shrinkable face material shrinks preferentially in one direction when beat is applied to the first heat shrinkable face material. 28. An insulating sleeve comprising the insulating label stock of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, or 27. 29. A container for storing food or beverage insulated with the insulating label stock of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, or 27.
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