GB190902713A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in and relating to Packing Rings for the Pistons of Vacuum Brake Cylinders and the like.
Assignee: Individual
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Filing: 1909-02-04
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Granted: 1909-04-01
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Expires: 1929-02-04
Abstract
Abstract 2713. Hopkinson, J. E. Feb. 4. Piston packing.-A flexible packing-ring d for the pistons of vacuum-brake cylinders and the like is formed with a groove h on one or both faces, at the line of flexion, to provide a hinge for the operative part d<2> of the ring. The main portion of the ring may consist of a soft rubber composition, and the part d<2> of rubber and graphite.
Inventors
- 👤 John Ebenezer Hopkinson
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 04:10
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204
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