ES231159A3 - Procedure for the obtaining of stereotypes in thermoplastic material (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of stereotypes in thermoplastic material (Machine-translation by Google Translate, not legally binding)
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SERRA HEREDERO DOMINGO
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SERRA HEREDERO DOMINGO
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Priority to ES0231159ApriorityCriticalpatent/ES231159A3/en
Publication of ES231159A3publicationCriticalpatent/ES231159A3/en
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)
Laminated Bodies
(AREA)
Abstract
Method for obtaining stereotypes in plastic material, characterized essentially by comprising as co-operating elements, a type of metal or similar in which the relief to be obtained is represented, a transfer element constituted by a cardboard sheet in which one of their faces are covered with a layer of paste susceptible to softening by the action of heat, and a receiving plate constituted by a thermoplastic material, of the type of chloride or vinyl acetate copolymers, or the like, operating under the action of a press with automatic depth limitation, subject, in a first phase, to the cardboard, heated to 140-160º c. Until the softening of its paste, to a compression against the type until it is embedded in the softened paste, maintaining the pressure until the suitable cooling for the demolding, acting later, in a second phase to the operation of pressing together this cardboard with its p already molded and a plate of thermoplastic vinyl resin, heated to about 120-160º c., acting the press against the plate to achieve that it is reproduced, positive, the original type provided. (Machine-translation by Google Translate, not legally binding)
ES0231159A1956-10-031956-10-03Procedure for the obtaining of stereotypes in thermoplastic material (Machine-translation by Google Translate, not legally binding)
ExpiredES231159A3
(en)
Procedure for covering plates, especially the insulating plates of wood fibers, with layers of thermoplastic artificial materials (Machine-translation by Google Translate, not legally binding)
Procedure and device for the making of agglomerated sheets molded at pressure and obtaining of agglomerated sheets ennoblished by application of this procedure. (Machine-translation by Google Translate, not legally binding)
Procedure for covering elements in the form of plate with abbreviated pitch film, impregnated with synthetic resins. (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of a via of suroplastic materials in sheets with surface protection. (Machine-translation by Google Translate, not legally binding)