Hydraulic pressure cylinder with integrated reservoir

Receptacles – Container attachment or adjunct – Pressure relief means

Patent

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Details

220DIG31, 60534, 73534, 116227, B65D 2554, B60T 1722

Patent

active

045440751

ABSTRACT:
A hydraulic pressure cylinder with an integrated reservoir which includes a cylinder body of strengthened resin, a reservoir tank of strengthened resin molded with the cylinder body as one body and having a wall portion and an opening formed in the wall portion of the reservoir tank and having a frame portion defined by the opening, and a window plate formed of resin material soluble in said strengthened resin and having a high transparency characteristic, the window plate including a flange which is welded to an inner surface of a wall portion of a reservoir tank and a projecting part which projects from the flange toward an outer surface of the wall portion of the reservoir tank along the frame portion.

REFERENCES:
patent: 3602257 (1971-08-01), Berleyoung
patent: 3802200 (1974-04-01), Kolm
patent: 4133287 (1979-01-01), Downs
patent: 4162616 (1979-07-01), Hayashida
patent: 4335825 (1982-06-01), Sakazume
patent: 4376490 (1983-03-01), Mizusaki
E. Obeda, "How to Get Good Ultrasonic Welds" 11/1964, Modern Plastics.

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