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:
Jan. 05, 1988
Filed:
Nov. 18, 1986
Takemasa Yasukawa, Inazawa, JP;
Hiroshi Sugita, Ichinomiya, JP;
Tadanobu Iwasa, Ichinomiya, JP;
Masanori Aritake, Nishikasugai, JP;
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Nippondenso Co., Ltd., Kariya, JP;
Abstract
A wiper blade rubber of an elongated configuration comprising a base portion of large thickness, a swinging portion substantially of a trigonal cross section, a neck portion connecting the base portion and the swinging portion and a thin plate-like lip portion disposed at the top end of the swinging portion. The basic material constituting most part of the base portion, the neck portion, the swinging portion and the lip portion is formed with soft and flexible rubber mainly composed of vulcanized ethylene-propylene rubber, and at least the surface of the lip portion is disposed with a surface layer constituted with a blended rubber composed of acrylonitrile-butadiene rubber and polyvinyl chloride resin and surface layer has a chlorinated surface layer.