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:
Sep. 22, 1992
Filed:
Feb. 15, 1990
Takeshi Minegishi, Sagamihara, JP;
Yasuo Yoneshige, Kawasaki, JP;
Toshihiro Takehana, Yokohama, JP;
Toru Sakai, Tokyo, JP;
NHK Spring Co., Ltd., Yokohama, JP;
Abstract
A method of manufacturing a cushion, by impregnating a main body comprising organic synthetic fibers which are stereoscopically intertwined with a polyurethane prepolymer solution so as to allow the polyurethane prepolymer to attach the prepolymer to the fibers, subjecting the cushion body to centrifugation to remove excess solution from the cushion body, and bringing the polyurethane prepolymer attached to the fibers into contact with a curing agent comprising water so as to cure the polyurethane prepolymer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile