Wraparound closure for conduit protection

Details Wraparound closure for conduit protection Wraparound closure for conduit protection

1987-12-15

1989-02-07

Bryant, III, James E.

Pipes and tubular conduits

Combined

With hose protector

138 99, 138178, 138DIG1, 428 99, 428 349, 156 86, 174DIG8, F16L 5700

Patent

active

048025097

ABSTRACT:
Provided herein is a wraparound closure sleeve for environmentally sealing conduits employing a heat-recoverable sheet oriented to shrink in the direction of its width, a first strip of self-amalgamating material disposed along or near one edge of the sheet and perpendicular to the direction of orientation, a mastic or hot-melt adhesive coated on the remaining surface area of the sheet, a second self amalgamating strip disposed parallel to the first strip on the opposite surface of the sheet where wrapping the sheet around the conduit, juxtaposing the strips and pressing them together forms a lap bond having sufficient lap shear strength to resist the hoop stress force generated by shrinking of the oriented sheet around the conduit and the mastic/adhesive is pressed and flows between the conduit and sheet.

REFERENCES:
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patent: 4586971 (1986-05-01), Wallace
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