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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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Filing date
Publication date
Application filed by Pirelli SpAfiledCriticalPirelli SpA
Priority to ES0203388ApriorityCriticalpatent/ES203388A2/es
Publication of ES203388A2publicationCriticalpatent/ES203388A2/es
Blow-Moulding Or Thermoforming Of Plastics Or The Like
(AREA)
Moulds For Moulding Plastics Or The Like
(AREA)
Abstract
Un perfeccionamiento introducido en el objeto de la patente principal número 195968 que recae sobre un procedimiento para la fabricación de cuerpos huecos de material plástico para producir tales cuerpos huecos de notables dimensiones caracterizado por el hecho de acumular la materia plástica dentro de un cilindro del cual es expulsada en forma de tubo por la acción de un émbolo accionado hidráulicamente encerrar dicho tubo dentro un molde e hincharlo con un fluído bajo presión para conformarlo haciéndolo adherir a las paredes del molde.
ES0203388A1952-05-011952-05-01UN PROCEDIMIENTO PARA LA FABRICACIoN DE CUERPOS HUECOS DE MATERIAL PLáSTICO
ExpiredES203388A2
(es)