Tube with welded bottom design in particular for making high-pre

Details Tube with welded bottom design in particular for making high-pre Tube with welded bottom design in particular for making high-pre

1986-12-19

1988-01-05

Reger, Duane A.

Spring devices

Fluid

F16F 932

Patent

active

047171294

ABSTRACT:
A tube having a welded bottom impermeable to gases under pressure, the tube including (a) a tube body having an end with an inner peripheral edge folded-over toward the interior of the tube body for forming an opening of reduced diameter; and (b) an end piece for forming the welded bottom of the tube, the end piece including a metal disk with an outer diameter substantially smaller than the inner diameter of the tube body and substantially greater than the reduced diameter of the opening of the inner peripheral folded-over edge of the tube end, the disk having at the center thereof a cylindrical outwardly directed projection, the projection having a diameter slightly smaller than the reduced diameter of the opening of the peripheral folded-over edge of the tube end, wherein the end piece is located inside the tube body and joined to the folded-over edge by a welded zone having a metallographical structure of melted or softened metal, the welding zone having an exposed surface in the bottom of a narrow groove formed between the folded-over edge and the projection.

REFERENCES:
patent: 3315902 (1967-04-01), Pollitz
patent: 3366379 (1968-01-01), McNally
patent: 3375002 (1968-03-01), Breon et al.
patent: 4265344 (1981-05-01), Taylor
Patents Abstracts of Japan, vol. 7, No. 5 (M-184) (1150), Jan. 11, 1983, corresponding to Japanese patent No. 57 165 124.
Rapport De Recherche, Republique Francaise, Institut National de la Propriete Industrielle, dated Jul. 18, 1984, Examiner L. Peeters.

Affiliated with

Also associated with

Rating

Tube with welded bottom design in particular for making high-pre does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tube with welded bottom design in particular for making high-pre, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tube with welded bottom design in particular for making high-pre will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4349