Method and apparatus for processing compressible material

Details Method and apparatus for processing compressible material Method and apparatus for processing compressible material

1980-08-18

1981-12-22

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

264119, 264257, 264285, 264339, 425505, 425515, 425112, 425393, B29D 2310

Patent

active

043070531

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: 3726623 (1973-04-01), Ferstenberg
patent: 3740207 (1973-06-01), Bogrets et al.
patent: 3939022 (1976-02-01), Lacon
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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