Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – With subsequent cutting – grooving – breaking – or comminuting
Reexamination Certificate
2006-03-14
2006-03-14
Theisen, Mary Lynn (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
With subsequent cutting, grooving, breaking, or comminuting
C264S123000, C425S308000, C425S461000
Reexamination Certificate
active
07011778
ABSTRACT:
The present invention relates to a method and an installation for producing growth substrate blocks, particularly for blocks for cuttings for horticultural use, where loose substrate material is compacted in a forming chamber (18) and thus forms useable block bodies. With the present invention a compulsory moistening of the blocks with suitably heated water is performed, after which these are made ready for use almost immediately, so that an actual conditioning no longer is necessary or can be reduced considerably. The blocks can be moistened and heated from the inside to a desired temperature in a both quick and energy saving way. The moistener, which preferably is water, can contain various additives such as nutrients or the like.
REFERENCES:
patent: 5382403 (1995-01-01), Ellegaard
patent: 29 09 488 (1980-09-01), None
patent: 2 061 905 (1981-05-01), None
patent: WO 01/19165 (2001-03-01), None
Ellegaard Øjvind
Hansen Lars
Ellegaard A/S
Safran David S.
Theisen Mary Lynn
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