The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 1984
Filed:
Apr. 15, 1981
Applicant:
Inventors:
Brian P Neal, Bristol, GB;
Alan R Turner, Bath, GB;
Assignee:
Bendix Westinghouse Limited, Bristol, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
222207 ; 222185 ; 417472 ; 92 35 ;
Abstract
An antifreeze injector device for compressed air braking systems has a closed compressible bellows or compensatable rubber cylinder, the inside of which communicates with liquid to be injected and the exterior of which is subject to actuation pressure. The effective area subject to the actuator pressure being greater than that subject to the liquid to enable operator to inject into a reservoir of elevated pressure but to avoid the use of sliding pistons.