EP0022309A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Air cushion film especially for packaging purposes
Assignee: BP PLC
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Filing: 1980-05-20
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Granted: —
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Expires: 2000-05-20
Abstract
Abstract An air cushion film consists of a smooth plastics film, joined to a plastics film provided with projections. The bases of the projections and the curved transition portions between the bases and sides of the projection are abrasively/oxidatively pre-treated and these portions only are covered with a layer consisting only of adhesive.
Inventors
- 👤 Dieter Horst Oberhuber
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 12:22
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/10; B32B3/12; B29; B29C; B29C59/00; B29C59/10; B32B27/00; B32B27/32; B32B38/00; B32B38/0008; B32B7/00; B32B7/04; B32B7/12; B65; B65D; B65D81/00; B65D81/02; B65D81/03; B29L; B29L2031/00; B29L2031/712; B32B2310/00; B32B2310/14; B32B2323/00; B32B2323/04; B32B2553/00; B32B2553/02; B32B2553/026; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
Air cushion film, especially for packaging purposes, consisting of a smooth plastic film and a second plastic film provided with knob-type depressions, in which both films are joined together in such a way that the first film seals the knob-type depressions of the second foil, and in which the knob-type depressions consist of a knob bottom, a knob casing and a bent transition zone between the knob base and the knob casing, the knob bases (6) and curved transition zones (δ) are abrasively/oxidatively pre-treated and that solely the knob bases (6) and curved transition zone (8) are covered with a Layer (9) consisting only of adhesive.
References Cited (Backward Citations)
No citation records indexed.
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