Method for fixing a grid or perforated plate to the bottom of a

Details Method for fixing a grid or perforated plate to the bottom of a Method for fixing a grid or perforated plate to the bottom of a

1994-03-03

1995-07-11

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

29505, 295272, 29DIG37, 220912, B23P 1904

Patent

active

054309280

ABSTRACT:
In order to fix a perforated plate (2) to the bottom (1) of a vessel, the plate is fixed by closed-die forging, in particular by cold striking so as to make the metal of the bottom (1) penetrate into the openings (4) in the plate (2). At the same time as the closed-die forging operation, a series of reliefs (5) is formed on the surface of the perforated plate (2) as well as on the surface of the bottom (1) of the vessel.

REFERENCES:
patent: 1730034 (1929-10-01), Faulk
patent: 2290554 (1942-07-01), Hack
patent: 3495735 (1970-02-01), Ulam et al.

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