Arrangement for fixing end of thin-walled pipe to flange couplin

Details Arrangement for fixing end of thin-walled pipe to flange couplin Arrangement for fixing end of thin-walled pipe to flange couplin

1988-08-19

1989-05-23

Callaghan, Thomas F.

Pipe joints or couplings

For plural component line

Metal and elastomeric layers

2853825, 285405, 29523, F16L 1314

Patent

active

048323772

ABSTRACT:
An improved fixing arrangement includes a planar flange having a mounting hole formed through an axial portion thereof, a radially expanded portion being formed in a portion of the peripheral surface of the mounting hole for receiving an annular resilient sealing member; and a pipe having one end provided with an pipe-diameter portion and a radially expanding annular portion. The radially expanding annular portion is engaged with the peripheral edge of the mounting hole which is formed on the back side of the flange to insert the pipe-diameter portion into the mounting hole. In addition, within the mounting hole, the end of the pipe-diameter portion is enlarged or a part of the pipe-diameter portion is radially expanded to press the resilient sealing member and to clamp the radially inwardly projecting peripheral edge of the mounting hole between the radially expanded portion and the enlarged end or radially expanded end portion, thereby fixedly connecting the flange and the pipe.

REFERENCES:
patent: 2175412 (1939-10-01), Rodman
patent: 2217000 (1940-10-01), Barnes
patent: 2695446 (1954-11-01), Meyer
patent: 3787945 (1974-01-01), Pasek et al.
patent: 4142843 (1979-03-01), Kish
patent: 4330144 (1982-05-01), Ridenour
patent: 4390303 (1983-06-01), Mallet
patent: 4667989 (1987-05-01), Bona

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