Tube connecting means

Details Tube connecting means Tube connecting means

1996-12-20

1999-04-13

Nicholson, Eric K.

Pipe joints or couplings

Packed

Screw thimble

2853345, 285342, F16L 19028

Patent

active

058935916

ABSTRACT:
A tube connector (1) has a connecting member (2), a nut (7), and a tube (11). To connect the connecting member (2) to the tube (11), the tube includes a formation (12) with two formation portions (14, 16). The first formation portion (14) has a first tensioning face (13) which extends parallel to an end face (4) of the connecting member (2). The second formation portion (16) has a second tensioning face (15). The tensioning face (15) extends in such a way which corresponds to the second conical bore (9) of the nut (7). The end face (4) includes an annular groove to receive a seal (23). The seal (23) achieves a precision sealing effect. A connector (1) which includes a formation as described above provides advantageous sealing conditions and ensures that the formation cannot be overtightened, especially during repeat assembly procedures.

REFERENCES:
patent: 2131509 (1938-09-01), Goepel et al.
patent: 2458817 (1949-01-01), Wolfram
patent: 3092404 (1963-06-01), MacWilliam
patent: 3337181 (1967-08-01), Wennerstrom
patent: 3393930 (1968-07-01), Ziherl et al.
patent: 3751002 (1973-08-01), Folkerts et al.
patent: 4693502 (1987-09-01), Oetiker
patent: 4754995 (1988-07-01), Takahashi et al.
patent: 4805944 (1989-02-01), Reginaldo
patent: 5060988 (1991-10-01), Williamson

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