Thermoplastic sheet strip heater assembly

Details Thermoplastic sheet strip heater assembly Thermoplastic sheet strip heater assembly

1978-12-05

1981-01-13

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With separate heating means for work

1565839, 219243, 219524, 219540, B32B 3100, B30B 502, H05B 100, H05B 306

Patent

active

042447712

ABSTRACT:
A thermoplastic sheet strip heater assembly (9), for heating a strip of a sheet of plastic material, comprises a heater housing (10) including a heat development channel (22) with a heat escape flue (25) defined in a bed of insulation (20), a sheet support surface (33, 34) located above the channel with a central opening (39) aligned with the flue, a protective grid (28) covering the flue, strip insulation (30,31) between the bed of insulation and the sheet support surface, strips of shielding material (40) for varying the width of the flue, and an adjustable positioning device.

REFERENCES:
patent: 230905 (1880-08-01), Stow et al.
patent: 2498865 (1950-02-01), Snow
patent: 2607876 (1952-08-01), Bergen et al.
patent: 3321353 (1967-05-01), Zelnick
patent: 3444029 (1969-05-01), Renand et al.
patent: 3472721 (1969-10-01), Abramson et al.
patent: 3569667 (1971-03-01), Ryswick
patent: 3635777 (1972-01-01), Bethge
patent: 4021639 (1977-05-01), Espino
patent: 4034205 (1977-07-01), Reichel
patent: 4045272 (1977-08-01), Lombardi

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