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US4818588A Expired / Lapsed US ⏱️ 0.0 years remaining

Packaging materials

Assignee: Dai Nippon Printing Co Ltd
•
Filing: 1986-11-18
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Granted: 1989-04-04
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Expires: 2006-11-18
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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 06:00
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)

US4161562A Cited
US4608284A Cited
US4608323A Cited

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

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