Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3257959A
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DSE NING TJIAN
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DSE NING TJIAN
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Priority to GB3257959ApriorityCriticalpatent/GB883224A/en
Publication of GB883224ApublicationCriticalpatent/GB883224A/en
Priority to MY6200046Aprioritypatent/MY6200046A/en
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
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Paper
(AREA)
Abstract
Wood pulp is made from the wood of the rubber tree (Hevea brasiliensis), which is first reduced to chips cut parallel with the fibre and under 1 mm. in thickness, and then digested by cooking. Preferably, the chips are between 0,1 and 0,4 mm. thick, and cooking may be with sulphate or monosulphite liquor. The pulp so made is particularly suitable for making paper, including packing paper, newsprint, and highgrade writing and printing papers.
GB3257959A1959-09-241959-09-24Method of producing wood pulp
ExpiredGB883224A
(en)
A procedure for the manufacture of protective covers for packaging or fragile articles by centrifugation (Machine-translation by Google Translate, not legally binding)
Procedure to separate cellulose pulp fibers in fractions with different characteristics. (Machine-translation by Google Translate, not legally binding)
An original process of air pressure to manufacture different bodies of carton starting from chemical pastes (Machine-translation by Google Translate, not legally binding)
Procedure for the fadrication of packaging material, hermetic to water vapor and to grease and resistant to humidity, with apergaminated vegetable paper, as a constituent (Machine-translation by Google Translate, not legally binding)