Method for manufacturing a cellulose product by a pressure moulding apparatus
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United States of America Patent
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Aug 9, 2022
Grant Date -
Apr 25, 2019
app pub date -
Mar 16, 2017
filing date -
Mar 18, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a method of manufacturing a cellulose product having a flat or non-flat product shape by a pressure moulding apparatus comprising a forming mould. The forming mould has a forming surface defining said product shape, The method comprises the steps of: arranging a cellulose blank containing less than 45 weight percent water in said forming mould; heating said cellulose blank to a forming temperature in the range of 100° C. to 200° C.; and pressing said cellulose blank by means of said forming mould with a forming pressure acting on the cellulose blank across said forming surface, said forming pressure being in the range of 1 MPa to 100 MPa.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B27N:MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR ....
- B31B:MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
- B65B:MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF,....
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