GB197275A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in and relating to hose pipes and like tubing
Assignee: ARTHUR ERNEST MAC DONALD
•
Filing: 1922-12-22
•
Granted: —
•
Expires: 1942-12-22
Abstract
Abstract 197,275. MacDonald, A. E., and Petro- Flex Tubing Co., Ltd. Dec. 22, 1922. Hose and flexible pipes. - An additional outer armouring of strip material e is wound between the coils of the usual outer armouring b of a hose or like pipe of the kind in which the hose proper a is provided with inter-coiled inner and outer armourings b, c. The strip e, which is preferably of non-oxidizing metal, but may be of raw hide or vulcanized fibre, is curved concavely to fit around and to protect the corrugations formed in the hose by the inner armouring. Fig. 2 shows an alternative section of the strip.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-22 22:09
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.