Cutting – By fluid blast and/or suction
Patent
1990-08-28
1991-05-28
Yost, Frank T.
Cutting
By fluid blast and/or suction
83271, 83451, 83781, 83940, 83953, 1983431, B26D 106
Patent
active
050184180
ABSTRACT:
A laminate cutting apparatus has a support belt supported on a frame for reciprocating horizontally in the longitudinal direction, independently lowerable support plates juxtaposed in the longitudinal direction and retained on the frame for supporting the bottom of a laminate support portion of the belt, suction ports on opposing side portions of the frame for withdrawing air from the interior of the laminate supported on the support portion with its upper and lower surfaces covered with air-impermeable sheets, a longitudinally reciprocated travelling body supported on the frame, a transversely reciprocated cutter head supported on the travelling body, a cutter on the cutter head for being raised and lowered to cut the laminate, recess forming rollers for forming the support portion of the belt into a transversely extending movable recess open at the top, a lower receiving member secured to the travelling body and arranged in parallel with the rollers within the recess, interconnected closure plates within the receiving member for reciprocating transversely in synchronization with the cutter head, a cutter receiving sleeve between closure plates for supporting the cutter tip, and cam plates on the travelling body for lowering the support plates to a level below the recess. Upper surfaces of the support portion of the belt, the lower receiving member, the closure plates, and the sleeve are substantially flush.
REFERENCES:
patent: 3511124 (1970-05-01), Bruns
patent: 3589222 (1971-06-01), Sederberg
patent: 3797341 (1974-03-01), Bystron
patent: 4007655 (1977-02-01), Schuetz et al.
patent: 4831809 (1989-05-01), Bullestrazzi
Kabushiki Kaisha Kawakami Seisakusho
Peterson Kenneth E.
Yost Frank T.
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