Metallic porous body

Details Metallic porous body Metallic porous body

2006-02-07

2006-02-07

Loney, Donald J. (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

C428S134000, C428S174000, C428S596000, C428S604000, C428S613000

Reexamination Certificate

active

06994902

ABSTRACT:
A metallic porous body includes a number of protrusions formed on obverse and reverse sides of a metal sheet so as to protrude alternately with one another; each of the protrusions being formed into an truncated-shape wherein an opening portion punched out in the direction from the upper-side bottom to the lower-side bottom is formed in the upper-side bottom of each protrusion, and a vertical distance (d) between the upper-side bottom on the obverse side and the upper-side bottom on the reverse side, and a height (e) of a punched portion have a relation: 0.3<e/d<0.9, thereby attaining a metallic porous body without a burr or a edged convex portion on its outside surface, with a large number of fine pores arranged at fine pitch and a light-weight and robust skeleton.

REFERENCES:
patent: 5824435 (1998-10-01), Kawano et al.
patent: 5902692 (1999-05-01), Batawi
patent: 6455201 (2002-09-01), Sugikawa
patent: 6555246 (2003-04-01), Zwick
patent: 0840388 (1998-05-01), None
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patent: 9-265991 (1997-10-01), None
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patent: WO01/01212 (2001-01-01), None
patent: WO-01/91212 (2001-11-01), None
English language abstract of JP 07335208 (Dec. 22, 1995).
English language abstract of JP 20000488223 (Feb. 18, 2000).

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