ES2072799R - - Google Patents

Info

Publication number
ES2072799R
ES2072799R ES9200354A ES9200354A ES2072799R ES 2072799 R ES2072799 R ES 2072799R ES 9200354 A ES9200354 A ES 9200354A ES 9200354 A ES9200354 A ES 9200354A ES 2072799 R ES2072799 R ES 2072799R
Authority
ES
Spain
Prior art keywords
layers
constitute
heads
manufacture
extrusion
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.)
Withdrawn
Application number
ES9200354A
Other languages
Spanish (es)
Other versions
ES2072799A2 (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 ES09200354A priority Critical patent/ES2072799A2/en
Publication of ES2072799A2 publication Critical patent/ES2072799A2/en
Publication of ES2072799R publication Critical patent/ES2072799R/es
Withdrawn legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PERFECCIONAMIENTOS EN LOS CABEZALES DE EXTRUSION PARA LA FABRICACION DE TUBOS IMPERMEABLES DE CUATRO O MAS CAPAS. PERFECCIONAMIENTOS EN LOS CABEZALES DE EXTRUSION PARA LA FABRICACION DE TUBOS IMPERMEABLES ARMADOS DE CUATRO O MAS CAPAS, POR DEPOSICION DE SENDAS CAPAS DE UN MISMO MATERIAL POR LA CARA INTERNA Y EXTERNA DEL ARMAZON TEXTIL CENTRAL DE REFUERZO Y OTRA U OTRAS CAPAS POR ENCIMA DE AQUELLA EXTERNA, QUE CONSISTEN ESENCIALMENTE EN CONSTITUIR LOS CABEZALES A BASE DE UNA SERIE DE CUERPOS CONCENTRICOS (1, 2, 3), QUE CONSTITUYEN LAS BOQUILLAS DE EXTRUSION Y QUE DEJAN ENTRE SI LAS CORRESPONDIENTES VIAS (5, 6) DE CIRCULACION DE LOS MATERIALES QUE HAN DE CONSTITUIR LAS CAPAS (10, 11, 12) DEL TUBO, LAS CUALES DESEMBOCAN SOBRE UN MANDRIL CENTRAL (4), A LO LARGO DEL CUAL CIRCULA LA ARMADURA TUBULAR TEXTIL DE REFUERZO (7) DEL TUBO, DESEMBOCANDO UNA DE DICHAS VIAS (5) SOBRE UNA ZONA (8) DEL MANDRIL QUE PERMITE EL PASO DEL MATERIAL A TRAVES DE AQUELLA ARMADURA TEXTIL (7) PARA FORMAR, A LA VEZ, LA CAPA INTERNA (11) Y LA EXTERNA (10), DE UN MISMO MATERIAL, SEGUN LA TECNICA YA CONOCIDA.IMPROVEMENTS IN THE EXTRUSION HEADS FOR THE MANUFACTURE OF WATERPROOF TUBES OF FOUR OR MORE LAYERS. IMPROVEMENTS IN THE EXTRUSION HEADS FOR THE MANUFACTURE OF ARMED WATERPROOF PIPES OF FOUR OR MORE LAYERS, BY DEPOSITION OF LINES LAYERS OF A SAME MATERIAL BY THE INTERNAL AND EXTERNAL FACE OF THE CENTRAL REINFORCEMENT TEXTILE AND OTHER ONE OTHER. , WHICH ESSENTIALLY CONSIST IN CONSTITUTING THE HEADS BASED ON A SERIES OF CONCENTRIC BODIES (1, 2, 3), WHICH CONSTITUTE THE EXTRUSION NOZZLES AND THAT LEAVE THE CORRESPONDING VIES (5, 6) OF THE CIRCULATION OF THE MATERIALS THAT HAVE TO CONSTITUTE THE LAYERS (10, 11, 12) OF THE TUBE, WHICH UNLOCK ON A CENTRAL CHUCK (4), THROUGH WHICH THE TUBULAR REINFORCEMENT TUBE CIRCULATES (7), UNLOCKING ONE OF THESE WAYS (5 ) ON AN AREA (8) OF THE CHUCK THAT ALLOWS THE PASSAGE OF THE MATERIAL THROUGH THAT TEXTILE ARMOR (7) TO FORM, AT THE SAME TIME, THE INTERNAL (11) AND THE EXTERNAL (10) LAYER, ACCORDING TO THE SAME MATERIAL, ACCORDING TO THE TECHNIQUE ALREADY KNOWN.

ES09200354A 1992-02-19 1992-02-19 Improvements to extrusion heads for manufacturing reinforced impermeable tubes of four or more layers Withdrawn ES2072799A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES09200354A ES2072799A2 (en) 1992-02-19 1992-02-19 Improvements to extrusion heads for manufacturing reinforced impermeable tubes of four or more layers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09200354A ES2072799A2 (en) 1992-02-19 1992-02-19 Improvements to extrusion heads for manufacturing reinforced impermeable tubes of four or more layers

Publications (2)

Publication Number Publication Date
ES2072799A2 ES2072799A2 (en) 1995-07-16
ES2072799R true ES2072799R (en) 1996-08-16

Family

ID=8276109

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09200354A Withdrawn ES2072799A2 (en) 1992-02-19 1992-02-19 Improvements to extrusion heads for manufacturing reinforced impermeable tubes of four or more layers

Country Status (1)

Country Link
ES (1) ES2072799A2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES338021A3 (en) * 1967-02-28 1968-03-16 Ribo Batlle System for the manufacture of flexible pipes. (Machine-translation by Google Translate, not legally binding)
DE3432857A1 (en) * 1984-09-07 1986-03-20 Bayer Ag, 5090 Leverkusen METHOD AND DEVICE FOR CONTINUOUSLY TWO-SIDED COATING OF KNITTED OR WOVEN HOSES
GB2171484B (en) * 1985-02-21 1989-11-29 Ashimori Ind Co Ltd A tubular lining material

Also Published As

Publication number Publication date
ES2072799A2 (en) 1995-07-16

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Legal Events

Date Code Title Description
EC2A Search report published

Date of ref document: 19950716

Kind code of ref document: R

Effective date: 19950716

FA2A Application withdrawn

Effective date: 19961002