AT THE HEART OF THE ROAD TRANSPORT INDUSTRY.

Call our Sales Team on 0208 912 2120

HARD SEATS FOR VALVES

5th July 1957, Page 76
5th July 1957
Page 76
Page 76, 5th July 1957 — HARD SEATS FOR VALVES
Close
Noticed an error?
If you've noticed an error in this article please click here to report it so we can fix it.

Which of the following most accurately describes the problem?

A METHOD of forging valve blanks rA _So as to give them a zone of hard metal in the sealing area, forms the subject of patent No. 773,695. The patentee is Alfred Teves Maschinenund-Armaturenfabrik K.G., Frankfurt am Main, Germany.


comments powered by Disqus