Gas cylinder

Supports – Stand – Standard type

Reexamination Certificate

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Details

C248S631000, C297S344190, C297S463100

Reexamination Certificate

active

06840484

ABSTRACT:
Disclosed is a gas cylinder including: a spindle at least having a flange washer of a cavity shape having a region D1and a region D2whose inner diameters are different; a piston inserted to the open inside of the spindle; a piston rod whose one end is fixed in the piston; a base tube having a mounting member on which the lower end of the spindle is mounted with the mounting member inserted to the flange washer; and a pipe holder inserted to the tapered portion in the upper part of the spindle.

REFERENCES:
patent: 6199952 (2001-03-01), Davis
patent: 6481675 (2002-11-01), Yoon

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