Metal deforming – Process – Tube making or reshaping
Reexamination Certificate
2007-12-11
2007-12-11
Banks, Derris H. (Department: 3725)
Metal deforming
Process
Tube making or reshaping
C072S004000, C072S017300, C072S370110
Reexamination Certificate
active
11228677
ABSTRACT:
A crack test for a tubular structure includes a sensor ring disposed radially outward from a flare pin in a flaring press. The sensor ring is responsive to physical contact from a cracked flared end of a tube processed in the press.
REFERENCES:
patent: 3412592 (1968-11-01), Ramsay
patent: 4308736 (1982-01-01), Lowe et al.
patent: 4590785 (1986-05-01), Morris
patent: 6382008 (2002-05-01), Jaubert
patent: 09026386 (1997-01-01), None
Heavens Glenn G.
Jones, Jr. James D.
Banks Derris H.
Croll Mark W.
Donovan Paul F.
Illinois Tool Works Inc
Wolfe Debra M
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