Compensator for temperature-caused length changes

Details Compensator for temperature-caused length changes Compensator for temperature-caused length changes

1997-12-15

1999-02-02

Dorner, Kenneth J.

Pipe joints or couplings

With heating or cooling

285302, 285179, F16L 5300

Patent

active

058654720

ABSTRACT:
A compensator 11 comprises a housing 14 and a sliding ram 13, which is displaceable along a sliding seat 17. The sliding ram 13 includes a flow channel portion 21, which transitions into an elbow bend 30, which, in the operating state, i.e., when hot polymer melt flows through the compensator, is congruent with a further flow channel portion 20. The two flow channel portions 20, 21 have flanges 28 and 29 at their end faces for the installation of the compensator 11 at a bend in a melt line through which a polymer felt flows, to compensate for linear expansions of the melt line due to the increased temperature.

REFERENCES:
patent: 3692447 (1972-09-01), Nelson
patent: 3807777 (1974-04-01), Larkin
patent: 3849051 (1974-11-01), Solbeck
patent: 4179256 (1979-12-01), Tomioka et al.
patent: 4239264 (1980-12-01), Evans
patent: 5137675 (1992-08-01), Rabe
patent: 5746453 (1998-05-01), Roberts

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