ES2049559R - - Google Patents

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Publication number
ES2049559R
ES2049559R ES9100951A ES9100951A ES2049559R ES 2049559 R ES2049559 R ES 2049559R ES 9100951 A ES9100951 A ES 9100951A ES 9100951 A ES9100951 A ES 9100951A ES 2049559 R ES2049559 R ES 2049559R
Authority
ES
Spain
Prior art keywords
heat
molds
active zones
subjected
treatment
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.)
Granted
Application number
ES9100951A
Other languages
Spanish (es)
Other versions
ES2049559B1 (en
ES2049559A2 (en
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 filed Critical
Priority to ES9100951A priority Critical patent/ES2049559B1/en
Publication of ES2049559A2 publication Critical patent/ES2049559A2/en
Publication of ES2049559R publication Critical patent/ES2049559R/es
Application granted granted Critical
Publication of ES2049559B1 publication Critical patent/ES2049559B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

ESTE SISTEMA PARA EL TRATAMIENTO TERMICO DE MATERIALES TERMOPLASTICOS, DETERMINA EL CALENTAMIENTO POR UNA O AMBAS CARAS DE UNAS PIEZAS DE MATERIAL TERMOPLASTICO, SOMETIDAS A PRESION, MEDIANTE UNAS ZONAS ACTIVAS DE UNOS ELEMENTOS METALICOS O MOLDES APLICADAS EN ELLAS, POR EL PASO DE UNA CORRIENTE ELECTRICA DE FRECUENCIA ELEVADA QUE ES CONTROLADA EN TIEMPO E INTENSIDAD SEGUN VALORES SUFICIENTES PARA CALENTAR UNICAMENTE DICHAS ZONAS ACTIVAS, ENFRIANDOSE LAS MISMAS AL CESAR LA CORRIENTE, POR TRANSMISION DEL CALOR AL RESTO DEL ELEMENTO METALICO QUE ESTA DOTADO DE MEDIOS DE REFRIGERACION. ESTE SISTEMA, AL LOGRAR UN ENFRIADO RAPIDO DE LOS MOLDES TRAS LA SOLDADURA, PERMITE UN PRONTO DESMOLDEO DEL MATERIAL SOMETIDO AL TRATAMIENTO EN LOS MISMOS.THIS SYSTEM FOR THE THERMAL TREATMENT OF THERMOPLASTIC MATERIALS, DETERMINES THE HEATING BY ONE OR BOTH SIDES OF SOME PIECES OF THERMOPLASTIC MATERIAL, SUBJECTED TO PRESSURE, THROUGH SOME ACTIVE ZONES OF SOME METAL ELEMENTS OR MOLDS APPLIED TO THEM BY ELAS. OF HIGH FREQUENCY THAT IS CONTROLLED IN TIME AND INTENSITY ACCORDING TO SUFFICIENT VALUES TO HEAT ONLY THESE ACTIVE ZONES, COOLING THEMSELVES AT THE STOP OF THE CURRENT, BY TRANSMISSION OF THE HEAT TO THE REST OF THE METALLIC ELEMENT WHICH IS EQUIPPED WITH REFRIGERATION MEANS. THIS SYSTEM, WHEN ACHIEVING A QUICK COOLING OF THE MOLDS AFTER WELDING, ALLOWS A SOON REMOVAL OF THE MATERIAL SUBJECTED TO THE TREATMENT IN THEM.

ES9100951A 1991-04-15 1991-04-15 SYSTEM FOR THE THERMAL TREATMENT OF THERMOPLASTIC MATERIALS. Expired - Lifetime ES2049559B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9100951A ES2049559B1 (en) 1991-04-15 1991-04-15 SYSTEM FOR THE THERMAL TREATMENT OF THERMOPLASTIC MATERIALS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9100951A ES2049559B1 (en) 1991-04-15 1991-04-15 SYSTEM FOR THE THERMAL TREATMENT OF THERMOPLASTIC MATERIALS.

Publications (3)

Publication Number Publication Date
ES2049559A2 ES2049559A2 (en) 1994-04-16
ES2049559R true ES2049559R (en) 1994-05-01
ES2049559B1 ES2049559B1 (en) 1995-01-16

Family

ID=8272066

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9100951A Expired - Lifetime ES2049559B1 (en) 1991-04-15 1991-04-15 SYSTEM FOR THE THERMAL TREATMENT OF THERMOPLASTIC MATERIALS.

Country Status (1)

Country Link
ES (1) ES2049559B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637837B1 (en) * 1988-10-18 1990-12-14 Kodak Pathe HIGH-FREQUENCY WELDING PROCESS FOR HEAT-WELDABLE SHEETS OF WHICH AT LEAST ONE IS POLYCARBONATE
ES2009441A6 (en) * 1988-12-09 1989-09-16 Martinez Vela Fernando High frequency welding of thermoplastics
DE4017577A1 (en) * 1990-05-31 1991-12-05 Hft Obermeier Maschinenbau Gmb Welding film to heterogeneous laminate - by using one large earthed and two pressurised outer HF electrodes above assembly with electrically conducting film laid beneath laminate

Also Published As

Publication number Publication date
ES2049559B1 (en) 1995-01-16
ES2049559A2 (en) 1994-04-16

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19950609