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:
Jul. 12, 1983
Filed:
Jun. 05, 1980
Applicant:
Inventor:
Ian B Irons, Reading, GB;
Assignee:
Johnson, Matthey & Co., Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ; B23P / ;
U.S. Cl.
CPC ...
2942 / ; 72 58 ; 72 61 ;
Abstract
A method and apparatus for production of couplings for joining together sections of metal tubing, the couplings being of the type comprising sockets having e.g. an annular recess carrying a filler metal, whereby the filler metal comprises a plastic composition which is applied under pressure to a selected internal area of a section of deformable tubing, thereby to form an indentation containing a deposit of plastic composition.