Apparatus for joining pieces of laminar material and in particul

Details Apparatus for joining pieces of laminar material and in particul Apparatus for joining pieces of laminar material and in particul

1979-01-11

1981-01-06

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

100151, 156363, 156366, 156558, 156559, 1565801, B27D 304, B30B 504

Patent

active

042434653

ABSTRACT:
An apparatus for joining plywood core strips comprises a feeding conveyor floor for the wood strips to be jointed, a crowding conveyor floor therefore and pressure elements, effective to press the wood strips against the feeding and crowding conveyor floors. Each pressure element includes a rod having its front end bent upwardly and supported by the machine frame through a kinematic train including a pneumatic cylinder urging the rod against the underlying conveyor floor. Alignment means including stop pawls and sensors controlling the actuation of the stop pawls are provided to align the strips perpendicular to the feeding direction, as well as jointing material applying means.

REFERENCES:
patent: 2488759 (1949-11-01), Bolling
patent: 2555325 (1951-06-01), Doane
patent: 2705514 (1955-04-01), Reece
patent: 3021248 (1962-02-01), Mann et al.
patent: 3133850 (1964-05-01), Alenius
patent: 3378430 (1968-04-01), Alzawa
patent: 3490974 (1970-01-01), Jacobson
patent: 3526554 (1970-09-01), Obeda
patent: 3963555 (1976-06-01), Zweig
patent: 4042440 (1977-08-01), Hasegawa et al.

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