Patent US3607602A successfully refreshed from Google Patents.
US3607602A
Expired / Lapsed
US
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A method of and a laminated material for packaging articles
Assignee: Chemie Industrie Investment AG
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Filing: 1967-08-04
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Granted: 1971-09-21
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Expires: 1987-08-04
Abstract
Abstract A method of packaging articles is provided whereby a laminated packaging material is assembled and wrapped around at least one article. The laminated packaging material comprises a heatshrinkable thermoplastic resin film, a plastic foam layer, and an adhesive bonding material to attach the thermoplastic film to the foam layer. The wrapped article may be subjected to heat to shrink the thermoplastic resin.
Inventors
- 👤 Eduard Greskiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:45
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249983; Y10T428/249985; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/31504; Y10T428/31826; Y10T428/31833
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
18 words
A laminated packaging material as defined in claim 1 wherein said bonding means comprises a double-sided self-sticking tape.
Claim 2
Dependent Claim
16 words
A laminated material as defined in claim 1 wherein said bonding means comprises an adhesive material.
Claim 3
Dependent Claim
18 words
A laminated material as defined in claim 1 wherein the composition of the plastic foam layer comprises polyurethane.
Claim 4
Dependent Claim
20 words
A laminated material as defined in claim 4 wherein the composition of the heat-shrinkable thermoplastic resin film comprises a polyolefin.
Claim 5
Dependent Claim
21 words
A laminated material as defined in claim 4 wherein the composition of the heat-shrinkable thermoplastic resin film comprises a polyvinyl chloride.
Claim 6
Independent Claim
76 words
A method of packaging articles comprising: a. providing a first material comprising a heat-shrinkable thermoplastic resin, b. providing a second material comprising resinous plastic foam, c. applying a bonding adhesive to the face of at least one of the materials, d. placing the face of the material having the bonding adhesive against the face of the other material to form a bonded laminated structure, and e. wrapping at least one article with the laminated packaging material.
Claim 7
Dependent Claim
16 words
A method as defined in claim 7 wherein the bonding adhesive comprises a double-sided self-sticking tape.
Claim 8
Dependent Claim
20 words
A method as defined in claim 7 wherein the wrapped articles are subjected to heat to shrink the thermoplastic resin.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |