GB876086A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements relating to the treatment of films
Assignee: Kenvue UK Ltd
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Filing: 1956-11-13
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Granted: —
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Expires: 1976-11-13
Abstract
Abstract 876,086. Perforating-apparatus. JOHNSON & JOHNSON (GREAT BRITAIN) Ltd. Feb. 12, 1958 [Nov. 13, 1956], No. 34721/56. Class 31 (2). [Also in Group V] A thermoplastic film 10 having an adhesive coating 14 is perforated by passage between rolls 12, 13, the roll 12 being heated electrically by internal resistances and having surface protuberances 15 of square-based pyramidal shape. The perforation of adhesive-coated films for use as surgical dressings is described.
Inventors
- 👤 Donald Arthur Willstead
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 01:51
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/00987; A61F13/00991; B; B26; B26F; B26F1/00; B26F1/24
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