Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1985-02-05
1986-12-09
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285110, 285236, 285286, 285373, 285330, F16L 3500
Patent
active
046276459
ABSTRACT:
A pipe coupling wherein an elastic sleeve receives the end portions of two pipes and has a partition which extends between the end portions of the pipes. The sleeve is surrounded by a split ring in the form of a band whose end portions are spot welded to strip-shaped female components of a device for tightening the band around the sleeve. The median sections of the female components define with the band two aligned passages for the shank of a bolt whose head can be rotated to move it nearer to a nut which meshes with the shank and extends into a centrally located corrugation of the band. The head and nut flank the median sections of the two female components of the tightening device. Each end section of each of the two female components is welded to the adjacent portions of the band at two or more locations which are disposed at different distances from the gap between the two components.
REFERENCES:
patent: 1255417 (1918-02-01), Hedges
patent: 1497549 (1924-06-01), Contadi
patent: 2424436 (1947-07-01), Crater
patent: 3142881 (1964-08-01), Johnston
patent: 3233907 (1966-02-01), Stanton
patent: 3376055 (1968-04-01), Donroe
patent: 3430989 (1969-03-01), Wendt
patent: 3565468 (1971-02-01), Garrett
patent: 3584352 (1971-06-01), Turner
Advertising Brochure of Eternit Aktiengesellschaft, 1 page.
Arola Dave W.
Kontler Peter K.
Rasmussen GmbH
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