Method for manufacturing an water hammer arrester

Details Method for manufacturing an water hammer arrester Method for manufacturing an water hammer arrester

1999-05-17

2000-12-05

Cuda, Irene

Metal working

Method of mechanical manufacture

Gas and water specific plumbing component making

72 83, 72 84, 7237012, B23P 1700

Patent

active

061549614

ABSTRACT:
Methods for manufacturing a water hammer arrester having an endurance against pressure of a fluid as well as excellent productivity. There is provided Methods for manufacturing a water hammer arrester comprising steps of: deforming plastically an end of a work piece for a housing to close it by pressing the end toward a center thereof while the work piece is rotated at high speed, the work piece is a brass pipe having predetermined length; forming a housing by cutting a closed part in prescribed thickness; filling up a gas and inserting a piston within the housing to prevent the gas from leaking; forming a connecting part having smaller diameter than the housing by pressing an outside of an open end of the housing provided with poured gas and the piston; and mounting a connector to the connecting part.

REFERENCES:
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patent: 2286511 (1942-06-01), Schulenberg
patent: 2434737 (1948-01-01), Enghayser
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patent: 3264729 (1966-08-01), Bowman
patent: 3793863 (1974-02-01), Groppini
patent: 3956914 (1976-05-01), Prochaska
patent: 4008843 (1977-02-01), Nagano et al.
patent: 4627257 (1986-12-01), Mcelhaney
patent: 5085131 (1992-02-01), Barrett et al.

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