Self-adhesive wallboard finishing tape and tape-and-wallboard pa

Static structures (e.g. – buildings) – Facers; e.g. – modules – mutually bonded by internal settable... – Lapped or bridger strip juncture-type surfacing

Patent

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Details

Other Related Categories

527414, 52747, E04B 272, E04G 2100

Type

Patent

Status

active

Patent number

053334337

Description

ABSTRACT:
A self-adhesive tape is presented for concealing or "finishing" joints between adjacent wallboard panels in the construction of simulated monolithic wall surfaces. The finishing tape comprises an elongate substrate having opposing first and second surfaces and terminating in opposing side edges, first and second layers of a cementitious first adhesive disposed on the first surface of the substrate adjacent each opposing side edge of the substrate and a pressure-sensitive second adhesive disposed on the first surface of the substrate generally along a central portion of the substrate. When pressed over a joint formed by abutting edges of adjacent wallboard panels, portions of the cementitious first adhesive are caused to flow from beneath each side edge of the substrate to occupy recessed areas adjacent each opposing side edge of the substrate, and the pressure-sensitive second adhesive occupies an area between the substrate and the wallboard panel surfaces and bonds the substrate and the adjacent wallboard panels to form a substantially rigid structure, whereby the substrate forms over the joint a flush continuous surface with the adjacent wallboard panel surfaces.

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patent: 4220490 (1980-09-01), Carlson
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patent: 4425175 (1984-01-01), Moore

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