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GB773971A Expired / Lapsed GB ⏱️ 0.0 years remaining

Process for moulding so-called "plastic" materials

Assignee: Individual
•
Filing: 1951-07-25
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Granted: —
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Expires: 1971-07-25
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Abstract

Abstract A tracheotomy tube (see Group VI) is moulded from a thermoplastic material, e.g. polymethyl methacrylate, by means of a fusible alloy, e.g. tin-antimony-bismuth, core. According to the Provisional Specification the material used may be methyl acrylate resin.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 01:37
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465; A61M25/00; A61M25/0009; B29C; B29C33/00; B29C33/44; B29C33/52; B29C39/00; B29C39/02; B29C39/028; A61M16/0488; A61M16/0497

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