Purge block

Details Purge block Purge block

1996-05-24

1998-07-28

Heinrich, Samuel M.

Metal fusion bonding

Including means to apply flux or filler to work or applicator

Gaseous flux

228 493, B23K 916

Patent

active

057852359

ABSTRACT:
A purge block including a first and second first diameter disk constructed from a substantially rigid material; a resilient disk having a second diameter larger than the first diameter concentrically aligned and secured between the first and second first diameter disks; at least one vent hole formed through the first and second first diameter disks and the resilient disk in a manner to form a pathway through the first and second first diameter disks and the resilient disk; and a positioning mechanism protruding from one of the first and second first diameter disks. The resilient disk is preferably constructed from a heat resistant material. The positioning mechanism is preferably a handle or centrally oriented flexible member attachment device.

REFERENCES:
patent: 3095844 (1963-07-01), Thielsch
patent: 4828160 (1989-05-01), Sundholm
patent: 5217156 (1993-06-01), Schnorrer
patent: 5484973 (1996-01-01), Gittens et al.
Welding & Metal Fabrication, R.A. Sewell, Gas purging for pipe welding, pp. 20, 22, Feb. 1989.

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