ES204678A2 - Improvements in the manufacture of carton, cardboard, paper and similar tubes (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in the manufacture of carton, cardboard, paper and similar tubes (Machine-translation by Google Translate, not legally binding)
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.)
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Individual
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Individual
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Priority to ES0204678ApriorityCriticalpatent/ES204678A2/en
Publication of ES204678A2publicationCriticalpatent/ES204678A2/en
Improvements in the object of the main patent no. 192,310 for improvements in the manufacture of cardboard paperboard tubes or similarly characterized essentially by the incorporation of paper or paperboard chemical physical chemistry with liquids based on insolubilized cellulose or resins various artificial plastics a final stage of finishing and increase of the waterproofing effect consisting of making the said treatment liquid to intervene as a means of direct application on the internal or external face of the tube or on both making this application by the same means claimed in the claim 3 rd of the main patent comprising in the case of treated boards of relative thickness a formation of the tube based on a single winding turn leaving the terminals to stop and the coating liquid being the tensioning and reinforcing means of the waterproofing action covering the butt joint cited p or this liquid and by any additional element of organization of little thickness or simple gluing from edge to edge. (Machine-translation by Google Translate, not legally binding)
ES0204678A1952-07-241952-07-24Improvements in the manufacture of carton, cardboard, paper and similar tubes (Machine-translation by Google Translate, not legally binding)
ExpiredES204678A2
(en)
Process for producing on a Fourdrinier machine of paper, cardboard, cardboard or similar fibrous materials of an aqueous pulp with at least 96% water and a Fourdrinier machine for carrying out the method.