Compressible material folding shoe

Details Compressible material folding shoe Compressible material folding shoe

1983-06-01

1986-09-30

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Rod or tubular preform

264119, 264165, 264257, 264285, 264339, 425505, 425515, 425112, B29C 5352

Patent

active

RE0322547

ABSTRACT:
A method and apparatus for processing compressible insulation material of mineral fibers in which a folding shoe guides the insulation material from a strip condition into a cylindrical condition and further including initially compressing the portion of the strip material along the centerline thereof, subsequently compressing the portions of the strip material intermediate the center line and the side edges of the strip material, and, finally, compressing the side edge portions of the strip material.

REFERENCES:
patent: 3050106 (1962-08-01), Pusch et al.
patent: 3337386 (1967-08-01), Burr
patent: 3497413 (1970-02-01), Ullman et al.
patent: 3726623 (1973-04-01), Ferstenberg
patent: 3740207 (1973-06-01), Bogrets et al.
patent: 3939022 (1976-02-01), Lacon
patent: 3985483 (1976-10-01), Clay et al.
patent: 4029461 (1977-06-01), Lacon
patent: 4038018 (1977-07-01), Pepmeier
patent: 4087223 (1978-05-01), Angioletti et al.
patent: 4115498 (1978-09-01), Kissell et al.
patent: 4161379 (1979-07-01), Sudyk

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