WILLIAM L HULSLANDER
Engineers in Kendall Creek, PA
License number
Pennsylvania PE000806K
Category
Engineers
Type
Professional Engineer
Address
Address
Kendall Creek, PA 16701
Professional information
Service Connector For Plastic Gas Main
US Patent:
4168089, Sep 18, 1979
Filed:
Nov 2, 1977
Appl. No.:
5/847873
Inventors:
William L. Hulslander - Bradford PA
Charles J. Glover - Bradford PA
Robert P. Brown - Eldred PA
Charles J. Glover - Bradford PA
Robert P. Brown - Eldred PA
Assignee:
Dresser Industries, Inc. - Dallas TX
International Classification:
F16L 4104
US Classification:
285197
Abstract:
Mating halves of plastic composition form a tapping sleeve service connector for mounting a branch connection on an inservice plastic gas main. A tapping tool supported in communication with the branch outlet is provided in one of the sleeve halves. Emplaced lining the internal pipe gripping surfaces of the sleeve halves is a dual faced, open mesh, basket woven fabric containing a random distribution of particle abrasive bonded on each of the faces. The particle abrasive is of a relatively harder composition than the plastics of either the service connector or gas main to effectively penetrate or imbed in the opposed surfaces of each when the sleeve halves are assembled in place. By being imbedded in this manner the abrasive fabric acts to secure and prevent relative rotational slippage between the service connector and pipe on which it is mounted.