Don R Wilder

US Patent:

D3108686, Sep 25, 1990

Filed:

May 21, 1987

Appl. No.:

7/052742

Inventors:

Don R. Wilder - Upland CA

US Classification:

D23265

US Patent:

45939403, Jun 10, 1986

Filed:

Apr 29, 1983

Appl. No.:

6/489780

Inventors:

Don R. Wilder - Upland CA

International Classification:

F16L 500

US Classification:

285158

Abstract:

A flange assembly for connecting a pipe to a tank at an access opening through a wall thereof includes an externally threaded cylindrical portion having an internal annular recess, a compressible sealing member received in the recess, a cap threaded into the portion and engaging the sealing member, and a flange portion with a shallow annular recess of greater diameter than that of the access opening which carries an O-ring for sealing between the wall and the flange.