Method for the production of polyurethane block foam

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C264S055000, C264S165000, C521S050000

Reexamination Certificate

active

07968023

ABSTRACT:
The invention relates to a process and a device for the production of polyurethane clock foam, in which the reaction mixture, after flowing through a mixer, flows freely from an outflow opening and then flows through an accumulation chamber, in which a static pressure is built up, a gap and finally an expansion chamber.

REFERENCES:
patent: 3123856 (1964-03-01), Dye et al.
patent: 3553300 (1971-01-01), Buff
patent: 3560599 (1971-02-01), Ferstenberg
patent: 3773876 (1973-11-01), Rath et al.
patent: 3775522 (1973-11-01), Auge
patent: 3786122 (1974-01-01), Berg
patent: 3809512 (1974-05-01), Blackwell et al.
patent: 4060579 (1977-11-01), Schmitzer et al.
patent: 4102621 (1978-07-01), Talbert
patent: 4108585 (1978-08-01), Proksa et al.
patent: 4120626 (1978-10-01), Keller
patent: 4154562 (1979-05-01), Tabler
patent: 4255105 (1981-03-01), Hoffmann et al.
patent: 4264291 (1981-04-01), Hoffmann et al.
patent: 4267135 (1981-05-01), Stroud et al.
patent: 4270889 (1981-06-01), Hoffmann et al.
patent: 5375988 (1994-12-01), Klahre
patent: 5578655 (1996-11-01), Fiorentini
patent: 5582840 (1996-12-01), Pauw et al.
patent: 5656678 (1997-08-01), Walmsley
patent: 5665286 (1997-09-01), Sulzbach et al.
patent: 5804113 (1998-09-01), Blackwell et al.
patent: 5844015 (1998-12-01), Steilen et al.
patent: 6036898 (2000-03-01), Sulzbach et al.
patent: 7101163 (2006-09-01), Sulzbach et al.
patent: 7179410 (2007-02-01), Griffiths
patent: 7293594 (2007-11-01), Knapp et al.
patent: 2008/0145544 (2008-06-01), Schamberg et al.
patent: 44 25 319 (1996-01-01), None
patent: 19525664 (1997-01-01), None
patent: 689920 (1996-01-01), None
patent: WO 2006082036 (2006-08-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for the production of polyurethane block foam does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for the production of polyurethane block foam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the production of polyurethane block foam will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2664159

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.