Pipe joints or couplings – Frangible element – Score line or groove
Patent
1983-09-22
1986-02-18
Husar, Cornelius J.
Pipe joints or couplings
Frangible element
Score line or groove
285197, 285373, 285419, 285DIG4, F16L 3700
Patent
active
045709769
ABSTRACT:
A sleeve-shaped pipeline coupling device for pipelines which is divided at least once in a direction transverse to the circumferential direction and adapted to be placed into close sealing contact against the outer wall of the pipeline. The coupling device includes at least one radial shoulder having an outer wall with an opening and a pipe fitting member portion being provided with a radial opening. The pipe fitting member portion includes a radial flange at one end having at least one arresting member formed integrally with the side thereof facing away from the pipe fitting. When the pipe fitting member portion is engaged to the coupling device, the arresting member engages the edge of the opening formed in the shoulder and the flange is in sealing contact against the shoulder.
REFERENCES:
patent: 1215595 (1917-02-01), Weikert et al.
patent: 1570887 (1926-01-01), Graves
patent: 1661674 (1928-03-01), Osborn
patent: 3362730 (1968-01-01), Clair et al.
patent: 3386606 (1968-06-01), Pastrick
patent: 3695643 (1972-10-01), Schmunk
patent: 4019760 (1977-04-01), Streit
Hetzenecker Heinz
Othold Rolf
Husar Cornelius J.
Nicholson Eric K.
Oltmans, Ziegel und Kunststoffe GmbH
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