Fitted assembly bellows pump

Details Fitted assembly bellows pump Fitted assembly bellows pump

2006-11-14

2006-11-14

Freay, Charles G. (Department: 3746)

Pumps

Motor driven

Fluid motor

C417S472000

Reexamination Certificate

active

07134850

ABSTRACT:
In a pump employing a bellows, individual members are formed from resins and pump components including a fitted assembly formed by fitting plural members with each other form a structure unit which is tightly inserted in an external cover and constrained on the opposite ends thereof for come off prevention. Thus, the distortion or deformation of the members during assembly is obviated and hence, a good sealing performance is achieved.

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