Welding backup tape assembly

Details Welding backup tape assembly Welding backup tape assembly

1987-01-09

1988-07-26

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

228 50, 228216, 219160, 428102, 428294, 428377, 428379, B23K 522, B23K 902, B23K 3102, C09U 702

Patent

active

047599812

ABSTRACT:
A welding backup tape assembly includes a flexible, elongated, heat resistant ribbon, such as a metal foil strip, with a flexible, elongated, heat resistant, fibrous rope having a flexible reinforcing core, preferably metallic, attached to one major side of the ribbon, suggestedly by stitching with a glass fiber thread, to form a substantially unitary assembly. Pressure sensitive adhesive layers are applied to the ribbon on either side of the fibrous rope to allow that side of the assembly to be adhered to the weldable workpiece. In the preferred embodiment, the fibrous rope is formed by a knitted, multistrand stainless steel wire core supporting a sheath of knitted, texturized, untwisted fiberglass yarns. Untexturized, low or no twist, continuous, glass fiber thread is used to stitch the rope to the ribbon.

REFERENCES:
patent: 3365566 (1968-01-01), Kuder
patent: 3494020 (1970-02-01), Cornell
patent: 4150775 (1979-04-01), Roden et al.
patent: 4182951 (1980-01-01), Kuder
patent: 4295593 (1981-10-01), Kensrue
patent: 4344556 (1982-08-01), Knapp

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