US 12,240,058 B2
Apparatus and method for making internally finned pressure vessel
Michael Zedelmair, Vista, CA (US); Yi Chao, Vista, CA (US); and Robin Willis, Vista, CA (US)
Assigned to Seatrec, Inc., Vista, CA (US)
Filed by Seatrec, Inc., Vista, CA (US)
Filed on Jan. 5, 2023, as Appl. No. 18/150,679.
Application 18/150,679 is a continuation in part of application No. 16/694,860, filed on Nov. 25, 2019, granted, now 11,549,644.
Claims priority of provisional application 62/872,059, filed on Jul. 9, 2019.
Prior Publication US 2023/0147928 A1, May 11, 2023
Int. Cl. B23K 3/08 (2006.01); F17C 1/14 (2006.01)
CPC B23K 3/087 (2013.01) [F17C 1/14 (2013.01); F17C 2203/0643 (2013.01); F17C 2203/0648 (2013.01); F17C 2203/0658 (2013.01); F17C 2209/221 (2013.01); F17C 2209/23 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus for fabricating an internally finned pressure vessel, the apparatus comprising:
a plurality of positioning discs, each of the positioning discs defining a plurality of circumferentially spaced slots extending radially into the positioning disc from a perimeter thereof;
one or more rods extending through the plurality of positioning discs, the plurality of positioning discs being held in axial alignment by the one or more rods; and
a pair of biasing discs, one on either side of the plurality of positioning discs and held in axial alignment therewith by the one or more rods, each of the biasing discs defining a plurality of circumferentially spaced slots extending radially into the biasing disc from a perimeter thereof, the slots of the biasing discs terminating farther than the slots of the positioning discs from an axis defined by the axial alignment of the plurality of positioning discs.