Laminate bending device

Details Laminate bending device Laminate bending device

1989-11-27

1991-06-04

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Including both heating and cooling means

264339, 425DIG41, B29C 5302

Patent

active

050209850

ABSTRACT:
A laminate bending device includes a pair of parallel shafts extending outwardly through transverse slots in a front wall of a housing. A pair of clamping jaws on the shafts each include an elongated slot for the insertion of a narrow strip of a laminate material of the type sold under the trademark FORMICA. Each of the shafts are mounted within the housing for linear and rotary movement. A spring biases each of the clamping jaws toward a stop on the front wall of the housing. In use, a strip of laminate material is inserted into the slots of the clamping jaws, the spacing of which has been previously adjusted to determine the bending radius. A heating element is then activated to heat the strip and allow the spring biased force on the clamping jaws to bend the strip to the desired radius. A cooling mechanism is activated upon completion of the bending to cool the strip and set the deformed shape. A first timer allows adjustment of the duration of the heating period and is operative to initiate a second timer which is adjustable to control the duration of the cooling period.

REFERENCES:
patent: 1330450 (1920-02-01), Person
patent: 3315618 (1965-01-01), Groff
patent: 3561057 (1971-02-01), Butzko
patent: 3570067 (1971-03-01), Jones et al.
patent: 3597799 (1971-08-01), Earle
patent: 3822160 (1974-07-01), LaBarge et al.
patent: 4153665 (1979-05-01), Vecchiotti et al.
patent: 4185069 (1980-01-01), Smith et al.
patent: 4255378 (1981-03-01), Miller et al.

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