Toggle locked coupling

Details Toggle locked coupling Toggle locked coupling

2006-10-24

2006-10-24

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

Sleeve

Dependent

C285S373000

Reexamination Certificate

active

07125056

ABSTRACT:
A coupling is provided for joining the ends of relatively soft plastic conduit. Hinged shell halves contain gripping teeth that penetrate and secure the conduit ends together. Penetration of the gripping teeth into the plastic conduit is accomplished by toggle clamps that supply the necessary embedding force. A seal is provided that prevents leakage into or out of the joint between the conduit ends.

REFERENCES:
patent: 1369913 (1921-03-01), Brunhoff
patent: 2449795 (1948-09-01), Stillwagon
patent: 2913262 (1959-11-01), De Cenzo
patent: 3189970 (1965-06-01), Barr
patent: 3540758 (1970-11-01), Torres
patent: 4008937 (1977-02-01), Filippi
patent: 4346428 (1982-08-01), Gale
patent: 4898407 (1990-02-01), Zeidler
patent: 5380052 (1995-01-01), Hendrickson
patent: 5947532 (1999-09-01), Lorenz
patent: 6302450 (2001-10-01), Dole et al.
patent: D470282 (2003-02-01), Bjork
Brochure from Cabletec®—Title: Two-Piece Plastic Removable Couplings. Dated © 1999 Cabletec.

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