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:
Dec. 27, 1994
Filed:
May. 06, 1994
Applicant:
Inventors:
John I Andersen, Idaho Falls, ID (US);
Michael J Andersen, Idaho Falls, ID (US);
Gary Harrell, Plainview, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 21 ; 2853822 ;
Abstract
A tube end formed of any suitable material having the shape of a truncated cylinder that is forced over the end of a polyethylene pipe and prior or post heat-treated to provide a THERMO LOCK-N-SEAL.TM. interface between the OD of the polyethylene pipe and the ID of the tube end by melting a portion of the OD of the polyethylene tube sufficient to cause thermal plastic flow of the polyethylene into conformity with the surface of the ID of the tube end.