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.

Date of Patent:
Sep. 18, 1984

Filed:

Dec. 28, 1982
Applicant:
Inventors:

Dilip K Tailor, Bramalea, CA;

Robert E Steele, Mississauga, CA;

James L Smythe, Huntsville, CA;

Real R Dezainde, Huntsville, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 57 ; 156 86 ; 1563084 ; 428349 ; 174D / ;
Abstract

A heat shrinkable covering for an article, such as a pipe, comprises a heat shrinkable material in the form of a flexible sheet which is wrapped around the article so that its ends overlap. The overlapping end portions are bonded together by means of a hold-down adhesive, preferably a shear-resistant adhesive, leaving an adhesive-free region at the interface. Heat is applied externally to the overlapping end portions so as to effect a fusion bond at the adhesive-free region of the interface, and the sheet is heat-shrunk onto the article in known manner. The covering offers the advantages and convenience of application common to conventional wrap-around sleeves, while having the intrinsic strength properties of a seamless tubular sleeve.


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