Pipe clamp with a headed bolt for securing a pipe connection

Details Pipe clamp with a headed bolt for securing a pipe connection Pipe clamp with a headed bolt for securing a pipe connection

1997-09-25

1999-08-31

Reichard, Lynne

Pipe joints or couplings

Clamp

285419, 285905, 2989008, 411401, F16L 2106

Patent

active

059443650

ABSTRACT:
A pipe clamp with a headed bolt for securing a pipe connection, in particular pipes of the exhaust system of a motor vehicle which are to be connected to one another, in the case of which the end of a first pipe is pushed into an axially slit end of a second pipe and, when the headed bolt is tightened, the pipe clamp, fitted on the slit pipe end, connects the two pipe ends to one another in a frictionally locking manner, is to be secured against a reduction in clamping force. For this purpose, the pipe clamp is formed of a material which has a higher coefficient of expansion than does the material of the pipes which are to be connected. The head of the headed bolt is elongated, in order to avoid impermissibly high local stressing during tightening of the pipe clamp. Due to the elongate form of the head of a headed bolt, the forces on the pipe clamp which support the tightening torque are reduced by a lengthening of the lever arm with respect to the axis of the headed bolt.

REFERENCES:
patent: 649916 (1900-05-01), Dietrich
patent: 1915924 (1933-06-01), Coe
patent: 3718351 (1973-02-01), Bakkerus
patent: 4196673 (1980-04-01), Looks
patent: 4312526 (1982-01-01), Cassel
patent: 4530524 (1985-07-01), Stephens
patent: 4629226 (1986-12-01), Cassel et al.
patent: 4813720 (1989-03-01), Cassel
patent: 5010626 (1991-04-01), Dominguez
Norma Schellen, Sep. 1975.

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