Plastic article or earthenware shaping or treating: apparatus – Press forming apparatus having opposed press members – Male shaping member and female mold
Patent
1997-02-20
1998-07-21
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Press forming apparatus having opposed press members
Male shaping member and female mold
425424, 425432, 425456, 264 71, 100231, 100265, 100268, B29G 4332
Patent
active
057832307
ABSTRACT:
An installation for compacting concrete mix includes a frame which has a lower plate and an upper plate between which concrete mix can be accommodated. The plates can be pressed in the direction towards one another and can be made to vibrate with respect to one another in order to compact the mix. Each plate is connected to the frame via an associated spring-mounted massive body.
REFERENCES:
patent: 2407168 (1946-09-01), Lindkvist
patent: 2831230 (1958-04-01), Neth et al.
patent: 3635609 (1972-01-01), Balamuth
patent: 3712785 (1973-01-01), Hirt et al.
patent: 4111627 (1978-09-01), Kitahara
patent: 4119692 (1978-10-01), Durinck
patent: 4179258 (1979-12-01), Karas et al.
patent: 4395213 (1983-07-01), Springs et al.
Den Boer Anne Huig
Toet Gijsbert
Den Boer Staal B.V.
Nguyen Khanh P.
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