Resources Contact Us Home
Swing check valve with hinge pin retainer

Image Number 3 for United States Patent #4905728.

A swing check valve where the opposite end portions of the hinge pin of the disc are held in hinge pin recesses by an annular wall in the valve body. The wall in the valve body is sufficiently sized that the valve disc can swing through the wall through an arc of substantially between in its open and closed positions. The wall may be formed as a part of the valve body or as a separate retainer ring secured in the valve.

  Recently Added Patents
Low-staining room temperature curable coating composition
Web-based royalty system and user interface
Methods for integrating the production of cellulose nanofibrils with the production of cellulose nanocrystals
Fingerprinting apparatus, system, and method
Encryption using alternate authentication key
Authorization method for location based services
System and method for optimizing use of plug-in air conditioners and portable heaters
  Randomly Featured Patents
Computer-implemented speech recognition system training
Pleural cavity drainage device
Quick-acting, water-tight composite door assembly
Computer table
Matrix-encoded surround-sound channels in a discrete digital sound format
Monoclonal antibodies for human osteogenic cell surface antigens
Integrated circuit packaging system with package on package support and method of manufacture thereof
Method of making replaceable lamp unit for use in automobile headlight
Mini cooking center