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:
May. 24, 1977
Filed:
Sep. 16, 1976
Applicant:
Inventors:
Ray Brown Duggins, Chadds Ford, PA (US);
Peter Garrett Mackauf, San Diego, CA (US);
David Little Withington, Phoenix, AZ (US);
Assignee:
E. I. DuPont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B / ; F16L / ;
U.S. Cl.
CPC ...
61 13 ; 285-5 ; 285255 ;
Abstract
A fastener for joining a connecting tube and an expansible tube telescoped on the end of the connecting tube. The fastener comprises a compressible ring on the end of the connecting tube and a tubular sheath telescoped on the connecting tube, the expansible tube and the ring. The sheath has an inner surface tapered to a circumference less than the normal circumference of the ring.