Heat shrinkable covering and method for applying same

Details Heat shrinkable covering and method for applying same Heat shrinkable covering and method for applying same

1982-12-28

1984-09-18

Kittle, John E.

Stock material or miscellaneous articles

Sheets or webs edge spliced or joined

156 86, 1563084, 428349, 174DIG8, B32B 700

Patent

active

044724683

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.

REFERENCES:
patent: 3749622 (1973-07-01), Sato et al.
patent: 3847721 (1974-11-01), Evans
patent: 3899807 (1975-08-01), Sovish et al.
patent: 3959052 (1976-05-01), Stanek
patent: 4080235 (1978-03-01), Mandersson
patent: 4356222 (1982-10-01), Harakawa et al.
patent: 4359502 (1982-11-01), Caponigro et al.

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