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:
Nov. 16, 1993
Filed:
Mar. 24, 1992
Applicant:
Inventor:
Trevor P Brown, Kent, GB;
Assignee:
Pandrol Limited, Weybridge, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
238283 ; 238382 ;
Abstract
A pad, suitable for spacing the bottom of a railway rail from a rail foundation on which the rail stands, comprises a plate-like rail-supporting portion (1), made of cushioning material, having an upper main face supporting the rail and softer, resiliently-deformable, sealing portion (3) located at a peripheral region of the lower main face of the rail-supporting portion (1). When the pad is placed on a rail foundation and a rail is placed on the upper main face of the rail-supporting portion (1), the sealing portion (3) deforms under the weight of the rail so as to form a substantially watertight seal, between the rail foundation and the pad, around the periphery of the pad.