Plastic article or earthenware shaping or treating: apparatus – Means to create a vacuum or apply fluid pressure within a... – Isostatic type
Reexamination Certificate
2006-09-26
2011-11-22
Johnson, Christina (Department: 1747)
Plastic article or earthenware shaping or treating: apparatus
Means to create a vacuum or apply fluid pressure within a...
Isostatic type
C425S405100, C425S419000, C264S109000, C264S120000, C264S313000
Reexamination Certificate
active
08062022
ABSTRACT:
The invention relates to a pressing device, respectively to a corresponding pressing method, for isostatic pressing of a body (8) from powdery and/or granulated material (3), comprisinga die (1) with a die wall (6) forming a forming space (2) and with a die opening (5) from outside the die through the die wall into the forming space (2) for filling the forming space (2) with the material and for removing the body pressed therein after pressing, with the die wall being made from elastic material, for compacting the material (3) by an isostatic compacting pressure (p) applied to the outside of the die wall, anda punch (4) for closing the die opening during pressing, withthe punch (4) being constituted by a metallic insert (13) in longitudinal direction and an elastic jacket (14) surrounding the metallic insert (13), with an front end section (7) of the insert (13) penetrating into the forming space while closing the die opening.
REFERENCES:
patent: 1755387 (1930-04-01), Christophersen
patent: 2476653 (1949-07-01), Elberty et al.
patent: 3591903 (1971-07-01), Bowles et al.
patent: 4084932 (1978-04-01), Morris et al.
patent: 4330251 (1982-05-01), Lebas et al.
patent: 4615859 (1986-10-01), Traut
patent: 4659598 (1987-04-01), Traut et al.
patent: 5221542 (1993-06-01), Coetzer
patent: 2004/0142179 (2004-07-01), Harada
patent: 2006/0228247 (2006-10-01), Grohowski
patent: 16 04 492 (1970-12-01), None
patent: 23 63 652 (1974-07-01), None
patent: 43 11 771 (1994-10-01), None
patent: 808 574 (1937-02-01), None
patent: 2 767 458 (1999-02-01), None
DE 1604492, machine translation Dec. 10, 1970.
DE 1604492, partial human translation Dec. 10, 1970.
Dorst Technologies GmbH & Co. KG
Johnson Christina
Knobbe Martens Olson & Bear LLP
Royston Elizabeth
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