Method for continuously producing a flexible drywall joint fille

Details Method for continuously producing a flexible drywall joint fille Method for continuously producing a flexible drywall joint fille

1982-04-12

1984-01-10

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156249, 156324, 264148, 264177R, 2642101, 2642102, 428 40, 428 61, B32B 3100

Patent

active

044251750

ABSTRACT:
A method of continuously producing a flexible drywall joint filler having a central spline portion adapted for cooperation with a joint defined between a pair of adjacent sidewall panels and a pair of substantially thin edge portions, comprises extruding at a predetermined extrusion rate a continuous strip of flexible material having a predetermined width, pulling the extruded pre-formed strip of flexible material at a pulling rate greater than the extrusion rate thereby completely forming the thin edge portions on the strip and reducing the predetermined width by about 30-65% to a completed width, and cooling the material at the completed width to form a continuous strip of flexible drywall joint filler having "feathered" edge portions.

REFERENCES:
patent: 3576091 (1971-04-01), Shuli
patent: 3894904 (1975-07-01), Cook
patent: 4151245 (1979-04-01), Suzuki
patent: 4157271 (1979-06-01), Moore
patent: 4220490 (1980-09-01), Carlson
patent: 4230753 (1980-10-01), Sheyon
Jacob Lichman, "Water-Based & Solvent-Based Adhesives" Handbook of Adhesives, 2nd Ed., Skeist, Van Nostrand Reinhold Company, pp. 679-681, 1977.

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