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:
Aug. 20, 2002
Filed:
Oct. 13, 1999
Applicant:
Inventors:
Hiroyuki Nishimura, Kitakatsuragi-gun, JP;
Yuji Higuchi, Kashihara, JP;
Shinichi Kawasaki, Kyotanabe, JP;
Hiroyuki Maeba, Sakai, JP;
Hirofumi Ueda, Takarazuka, JP;
Shiro Sakai, Izumiotsu, JP;
Hiroaki Zaima, Kyoto, JP;
Assignee:
Osaka Gas Company Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J / ;
U.S. Cl.
CPC ...
C09J / ;
Abstract
The present invention provides a technique for joining polyolefin pipes by means of a polyolefin joint, the method comprising the steps of placing a treatment containing a silicon compound or a treatment containing a silicon compound and a reaction accelerator between the pipes and the joint and heating a joining portion.