ES2108602B1 - IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR. - Google Patents

IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR.

Info

Publication number
ES2108602B1
ES2108602B1 ES9400099A ES9400099A ES2108602B1 ES 2108602 B1 ES2108602 B1 ES 2108602B1 ES 9400099 A ES9400099 A ES 9400099A ES 9400099 A ES9400099 A ES 9400099A ES 2108602 B1 ES2108602 B1 ES 2108602B1
Authority
ES
Spain
Prior art keywords
molding
polyester
similar
mold
procedures
Prior art date
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 - Fee Related
Application number
ES9400099A
Other languages
Spanish (es)
Other versions
ES2108602A1 (en
Inventor
Aris Enrique Barbany
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.)
Hispano Mecano Electrica SA
Original Assignee
Hispano Mecano Electrica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hispano Mecano Electrica SA filed Critical Hispano Mecano Electrica SA
Priority to ES9400099A priority Critical patent/ES2108602B1/en
Publication of ES2108602A1 publication Critical patent/ES2108602A1/en
Application granted granted Critical
Publication of ES2108602B1 publication Critical patent/ES2108602B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PERFECCIONAMIENTOS EN LOS PROCEDIMIENTOS PARA MOLDEO DE POLIESTER Y SIMILARES. LOS PERFECCIONAMIENTOS SON APLICABLES AL MOLDEO DE POLIESTER Y SIMILARES, EN LOS QUE SE DISPONE UN MOLDE Y CONTRAMOLDE ASOCIADOS A LA BANCADA Y PLATO MOVIL DE UNA PRENSA A EFECTOS DE DETERMINAR ENTRE AMBOS UNA CAMARA CONJUNTA DE MOLDEO, EN LA QUE QUEDARA DEPOSITADO EL POLIESTER EN LAMINAS PARA SU ADAPTACION A PRESION Y TEMPERATURA EN LAS CAVIDADES DE MOLDEO, CARACTERIZANDOSE PORQUE LA CAMARA DE MOLDEO QUEDA CERRADA DE FORMA ESTANCA CON RESPECTO AL EXTERIOR DURANTE EL CICLO DE TRABAJO Y ESTA COMUNICADA CON UNA BOMBA DE VACIO EXTERNA PARA EFECTUAR UN VACIO RELATIVO DE LA CAMARA DE MOLDEO PREVIAMENTE A LA COMPRESION DE LA MASA DE POLIESTER, COMPRENDIENDO LA DISPOSICION DE MEDIOS DE ESTANQUEIDAD EN LAS CARAS DE COINCIDENCIA DE MOLDE Y CONTRAMOLDE. ESTOS PERFECCIONAMIENTOS EVITAN DEFECTOS DE LLENADO EN ZONAS ESTRECHAS Y PROFUNDAS DE LOS MOLDES.IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR. THE IMPROVEMENTS ARE APPLICABLE TO THE MOLDING OF POLYESTER AND SIMILAR, IN WHICH A MOLD AND COUNTER-MOLD ASSOCIATED WITH THE BENCH AND MOBILE PLATE OF A PRESS ARE AVAILABLE FOR THE DETERMINATION BETWEEN BOTH OF A JOINT MOLDING CHAMBER, WHICH WILL REMAIN IN WHICH IT WILL REMAIN. SHEETS FOR THEIR ADAPTATION TO PRESSURE AND TEMPERATURE IN THE MOLDING CAVES, CHARACTERIZING BECAUSE THE MOLDING CHAMBER IS SEALED CLOSED WITH REGARD TO THE EXTERIOR DURING THE DUTY CYCLE AND IS COMMUNICATED WITH AN OUTDOOR VACUUM PUMP FOR EFFECT MOLDING CHAMBER PREVIOUSLY TO THE COMPRESSION OF THE POLYESTER MASS, UNDERSTANDING THE DISPOSITION OF SEALING MEANS IN THE MATCH AND COUNTER-MOLD COINCIDENCE FACES. THESE IMPROVEMENTS PREVENT FILLING DEFECTS IN NARROW AND DEEP ZONES OF THE MOLDS.

ES9400099A 1994-01-19 1994-01-19 IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR. Expired - Fee Related ES2108602B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9400099A ES2108602B1 (en) 1994-01-19 1994-01-19 IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9400099A ES2108602B1 (en) 1994-01-19 1994-01-19 IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR.

Publications (2)

Publication Number Publication Date
ES2108602A1 ES2108602A1 (en) 1997-12-16
ES2108602B1 true ES2108602B1 (en) 1998-07-16

Family

ID=8284964

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9400099A Expired - Fee Related ES2108602B1 (en) 1994-01-19 1994-01-19 IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR.

Country Status (1)

Country Link
ES (1) ES2108602B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640666A (en) * 1969-09-25 1972-02-08 Monsanto Co Trim in place thermoforming apparatus
US3840239A (en) * 1972-10-26 1974-10-08 Gen Tire & Rubber Co Compression molding in a vacuum and seal for use therein
US4267142A (en) * 1979-10-22 1981-05-12 Lankheet Jay A Reinforced resin molding method and apparatus
US4488862A (en) * 1983-04-25 1984-12-18 The Budd Company Compression molding apparatus having vacuum chamber
US4612149A (en) * 1983-04-25 1986-09-16 The Budd Company Compression molding a charge using vacuum

Also Published As

Publication number Publication date
ES2108602A1 (en) 1997-12-16

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