Apparatus for controlling the size of a gap

Details Apparatus for controlling the size of a gap Apparatus for controlling the size of a gap

1975-12-29

1977-10-11

McIntosh, John P.

Coating apparatus

Solid member or material acting on coating after application

Rotary member

118126, 118412, B05C 1104

Patent

active

040529584

ABSTRACT:
Apparatus for controlling the depth of material laid on a web and comprising a head for laying the material, an arrangement for continuously moving the web past the head, first and second members defining an extrusion gap for receiving the web, and a control device arranged to effect movement of one member relative to the other to vary the size of the gap, the control device comprising a fluid-pressure operated piston and cylinder unit including a plurality of relatively movable cylinders and pistons individually extensible and retractable to vary the length of the unit, and a switching arrangement for individually operating the cylinders.

REFERENCES:
patent: 2069322 (1937-02-01), Mellor et al.
patent: 2474691 (1949-06-01), Roehm
patent: 2695004 (1954-11-01), Montgomery et al.
patent: 2836221 (1958-05-01), Bove
patent: 3279424 (1966-10-01), Brown, Jr. et al.
patent: 3580794 (1971-05-01), Mintz
patent: 3605687 (1971-09-01), Russell
patent: 3820502 (1974-06-01), Castillo et al.

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