Title:
SCREWWTHREAD TYPE SMOOTH PIPE JOINT FOR PLASTIC PIPES
Document Type and Number:
Japanese Patent JPS5228719
Kind Code:
A
Abstract:
A coupling for smooth pipe includes a housing, a sleeve nut threaded onto the housing, a gasket inside the housing and a thrust and locking ring structure within and between the housing and sleeve nut. The housing has a tapered inner surface to compress the gasket. When the nut is threaded onto the housing, the ring structure is axially moved by a shoulder on the nut to compress the gasket. The nut then radially deforms tongues on the locking ring structure to grip the pipe.
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Inventors:
FURITSUTSU RAIHI
ERUNESUTO REEMAN
ERUNESUTO REEMAN
Application Number:
JP9781276A
Publication Date:
March 03, 1977
Filing Date:
August 18, 1976
Export Citation:
Assignee:
FISCHER AG GEORG
International Classes:
F16L19/08; F16L47/04; (IPC1-7): F16L19/08
Domestic Patent References:
| JPS5114166A | 1976-02-04 |
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