US4818588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging materials
Assignee: Dai Nippon Printing Co Ltd
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Filing: 1986-11-18
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Granted: 1989-04-04
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Expires: 2006-11-18
Abstract
Abstract A packaging material comprising an outer layer of a heat shrinkable plastic film and a metallic glossy laminate which is disposed on the inner side of said outer layer and which maintains metallic gloss even after heat shrinkage. A heat shrunk package having beautiful metallic gloss can be obtained by the use of this packaging material.
Inventors
- 👤 Mitsuo Okabe
- 👤 Hirohito Tomita
- 👤 Shoichi Kubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:20
CPC Classifications
B; B29; B29C; B29C61/00; B29C61/06; B29C61/0608; B29C61/0616; H; H01; H01M; H01M50/00; H01M50/10; H01M50/116; H01M50/117; H01M50/119; H01M50/121; H01M50/124; H01M50/126; H01M50/129; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/24884; Y10T428/24917; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31826; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
64 words
A packaging material comprising: (a) an outer layer of a heat shrinkable plastic film and; (b) a metallic glossy laminate disposed on an inner side of said outer layer and which maintains metallic gloss even after heat shrinkage, and said laminate comprises an anti-blushing primer layer disposed on the inner side of said outer layer and a metal-deposited layer disposed on said primer layer.
Claim 2
Dependent Claim
64 words
A packaging material comprising: (a) an outer layer of a heat shrinkable plastic film and; (b) a metallic glossy laminate disposed on an inner side of said outer layer and which maintains metallic gloss even after heat shrinkage, and said laminate comprises an anti-blushing primer layer disposed on the inner side of said outer layer and a metal-deposited layer disposed on said primer layer.
Claim 3
Dependent Claim
21 words
The packaging material according to claim 1 which has an ink layer interposed between said film and said anti-blushing primer layer.
Claim 4
Dependent Claim
23 words
The packaging material according to claim 1 wherein a heat bonding resin layer is disposed on the inner side of said metal-deposited layer.
Claim 5
Dependent Claim
27 words
The packaging material according to claim 1 wherein a heat shrinkable plastic film is disposed on the inner side of said metal-deposited layer via an adhesive layer.
Claim 6
Dependent Claim
22 words
The packaging material according to claim 1 wherein an insulating paint film is disposed on the inner surface of said metal-deposited layer.
Claim 7
Dependent Claim
47 words
The packaging material according to claim 1 wherein said metallic glossy laminate comprises a metal-deposited layer partially formed on the inner side of said film and a protective layer of an acid or alkali resistant ink composition formed by coating the inner surface of said metal layer.
Claim 8
Dependent Claim
18 words
The packaging material according to claim 1 wherein a rubber primer is used as said anti-blushing primer layer.
Claim 9
Dependent Claim
23 words
The packaging material according to claim 1 wherein said anti-blushing primer layer comprises a bilayer structure of the same or different rubber primers.
Claim 10
Dependent Claim
27 words
The packaging material according to claim 8 wherein said rubber primer bilayer structure comprises an outer cyclized rubber primer layer and an inner chlorinated rubber primer layer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-04-03 | 1992-10-03 | 1993-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-03 | 1996-10-03 | 1997-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-03 | 2000-10-03 | 2001-04-04 | $7700.00 | Window Closed / Lapsed |