Tap insert

Details Tap insert Tap insert

2005-05-10

2005-05-10

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Removable valve head and seat unit

Threaded into valve casing

C137S454600, C251S311000

Reexamination Certificate

active

06889704

ABSTRACT:
This invention relates to a tap insert which is used for closing or separating conduits and can be introduced into a valve housing (1, 17) for valve inserts. An external thread (12, 23) is provided at the outside of the tap insert (2, 16, 21). The insert can be screwed in a receptacle (5) of a valve housing (1, 17) by means of said thread, whereby the receptacle is provided for valve inserts.

REFERENCES:
patent: 2757969 (1956-08-01), Newell
patent: 3133722 (1964-05-01), McGuire et al.
patent: 3236495 (1966-02-01), Buchholz
patent: 3576309 (1971-04-01), Buchta et al.
patent: 3735956 (1973-05-01), Matousek
patent: 3967811 (1976-07-01), Keller
patent: 4314581 (1982-02-01), Schrock
patent: 4535970 (1985-08-01), MacAfee
patent: 5950664 (1999-09-01), Battaglia
patent: 827626 (1960-02-01), None

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