Plastic article or earthenware shaping or treating: apparatus – Female mold – pallet handling means and means to charge... – Pallet supported within mold sidewalls by vertically movable...
Reexamination Certificate
2006-06-13
2009-02-17
Gupta, Yogendra (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold, pallet handling means and means to charge...
Pallet supported within mold sidewalls by vertically movable...
C425S421000, C425S431000, C425S456000, C249S120000
Reexamination Certificate
active
07491053
ABSTRACT:
The present invention relates to a tamperhead structure including metal and/or non-metal components. The structure may include a top plate and a bottom plate separated by a plurality of spacers. The head structure may also include a plurality of plungers attached to the bottom plate and a stripper shoe attached to each of the plurality of plungers. Each of the components of the tamperhead structure may be fabricated from metal material, non-metal material or a combination of both metal and non-metal materials.
REFERENCES:
patent: 805914 (1905-11-01), Horr
patent: 813592 (1906-02-01), Schou
patent: 3940229 (1976-02-01), Hutton
patent: 4407766 (1983-10-01), Haardt et al.
patent: 4545754 (1985-10-01), Scheidt
patent: 5078940 (1992-01-01), Sayles
patent: 5217630 (1993-06-01), Sayles
patent: 5533885 (1996-07-01), Schlusselbauer
patent: 5879603 (1999-03-01), Sievert
patent: 6113379 (2000-09-01), LaCroix et al.
patent: 6138983 (2000-10-01), Sievert
patent: 6209848 (2001-04-01), Bolles et al.
patent: 6224815 (2001-05-01), LaCroix et al.
patent: 6280566 (2001-08-01), Naito et al.
patent: 6464199 (2002-10-01), Johnson
patent: 7291306 (2007-11-01), Ishler
patent: 2003/0164574 (2003-09-01), Hammer et al.
patent: 2005/0116389 (2005-06-01), Hammer et al.
patent: 2001191314 (2001-07-01), None
Gupta Yogendra
Howrey LLP
Nguyen Thu Khanh T
Rampf Molds Industries Inc.
LandOfFree
Tamperhead for use in production of molded products does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tamperhead for use in production of molded products, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tamperhead for use in production of molded products will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4140486