Method and apparatus for forming an internally screw-...

Details Method and apparatus for forming an internally screw-... Method and apparatus for forming an internally screw-...

B - Operations, Transporting

22

C

22/139

B22C 9/24 (2006.01) B22D 15/04 (2006.01) B22D 25/02 (2006.01) B29C 45/26 (2006.01)

Patent

CA 1222861

A B S T R A C T A method of casting or moulding an internally screw-threaded article comprises introducing casting or moulding material around two withdrawable flat core members which overlap within a mould cavity. The leading end face of each core member is formed with a male segment of the female screw thread to be formed in the article, the arrangement being that when the core members meet one another the two screw thread segments of the two core members are located to form two diametrally opposite segments of a male image of said female screw threaad, with- drawing the core members from the mould cavity when the casting or moulding material has set and removing the cast article from the mould cavity.

461030

Affiliated with

Also associated with

Rating

Method and apparatus for forming an internally screw-... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for forming an internally screw-..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for forming an internally screw-... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1225222