David P Chaney

US Patent:

56157002, Apr 1, 1997

Filed:

Apr 1, 1996

Appl. No.:

8/626022

Inventors:

David A. Chaney - Tulsa OK
Mark Wallen - Tulsa OK

Assignee:

Conley Corporation - Tulsa OK

International Classification:

G01M 308
F16K 4300

US Classification:

137 15

Abstract:

A double containment manhole fitting for use with a double containment pipe with inner carrier pipes and outer containment pipes. The fitting includes an inner T carrier housing that may be connected to the inner carrier pipes, the housing having a removable cap. An outer containment housing has a larger diameter than the height of the inner carrier housing, the outer carrier housing having a V-shaped opening. A plurality of spiders are attached to the carrier housing to concentrically position the inner carrier housing within the outer carrier housing. The branch assembly is attached to the outer containment housing V-shaped opening, the branch assembly having a removable cover to provide access to the removable cap of the carrier housing.

US Patent:

55469779, Aug 20, 1996

Filed:

Mar 8, 1994

Appl. No.:

8/207945

Inventors:

David A. Chaney - Catoosa OK

Assignee:

Conley Corporation - Tulsa OK

International Classification:

G01M 308
F16K 4300

US Classification:

137312

Abstract:

An integral dual containment valve system for dual containment piping having inner carrier pipes for fluid and outer carrier pipes. The dual containment valve system includes an inner carrier housing connectable to the inner carrier pipes. A valve controls flow of fluid through the inner carrier housing. An outer containment housing surrounds the inner carrier housing and surrounds the valve. The outer containment housing connects to the outer containment pipes. The outer containment housing provides sealable access to the valve.