ES2159223B1 - PROCEDURE FOR OBTAINING A SHEET IN THE ROLL OF ETHYLENVINYL ACETATE (EVA) FOR APPLICATION TO THE FOOTWEAR INDUSTRY. - Google Patents

PROCEDURE FOR OBTAINING A SHEET IN THE ROLL OF ETHYLENVINYL ACETATE (EVA) FOR APPLICATION TO THE FOOTWEAR INDUSTRY.

Info

Publication number
ES2159223B1
ES2159223B1 ES009802292A ES9802292A ES2159223B1 ES 2159223 B1 ES2159223 B1 ES 2159223B1 ES 009802292 A ES009802292 A ES 009802292A ES 9802292 A ES9802292 A ES 9802292A ES 2159223 B1 ES2159223 B1 ES 2159223B1
Authority
ES
Spain
Prior art keywords
roll
obtaining
eva
plates
procedure
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
ES009802292A
Other languages
Spanish (es)
Other versions
ES2159223A1 (en
Inventor
Arias Antonio Otero
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.)
CAUCHOS KAREY S A
Original Assignee
CAUCHOS KAREY S A
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 CAUCHOS KAREY S A filed Critical CAUCHOS KAREY S A
Priority to ES009802292A priority Critical patent/ES2159223B1/en
Publication of ES2159223A1 publication Critical patent/ES2159223A1/en
Application granted granted Critical
Publication of ES2159223B1 publication Critical patent/ES2159223B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/50—Footwear, e.g. shoes or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

Procedimiento de obtención de una lámina en rollo de acetato de Etilen-vinilo (EVA) para su aplicación a la industria del calzado. Partiendo de planchas (1) a base de un copolímero de acetato de etilen-vinilo (EVA) modificado con cargas inorgánicas, reticulado con peróxido y espumado con azodicarbonamidas, se trata de unir entre sí dichas planchas para configurar un rollo que permita el tratamiento en continuo de las mismas, a cuyo efecto se realiza una primera fase de calentamiento de los bordes (2-2'') tanto de la plancha (1'') que ya forma parte del rollo como de la plancha (1) a unir al mismo, en situación independiente y a una temperatura comprendida entre 300°C y 400°C, durante el tiempo necesario para que el material alcance su carácter termoplástico o estado fundido, tras lo que se aproximan las planchas (1-1'') hasta que entran en contacto, sometiéndose a una ligera presión y manteniéndose esta situación durante un período corto de tiempo, inferior a 20 segundos, tras lo que se iniciasu enfriamiento hasta la temperatura ambiente, para que el material recobre su estado normal primitivo. El rollo así obtenido resulta especialmente idóneo para la obtención de plantillas para calzado, adaptando al mismo una lámina de recubrimiento a base de tejido, cuero, cartón o similar y obteniéndose dichas plantillas por troquelado y termoconformado en procesos continuos.Procedure for obtaining a roll of ethylene vinyl acetate (EVA) for application to the footwear industry. Starting from plates (1) based on a copolymer of ethylene vinyl acetate (EVA) modified with inorganic fillers, crosslinked with peroxide and foamed with azodicarbonamides, it is about joining said plates to configure a roll that allows treatment in Continuous, for which purpose a first phase of heating the edges (2-2 '') of both the plate (1 '') that is already part of the roll and the plate (1) to be joined to the same, in an independent situation and at a temperature between 300 ° C and 400 ° C, for the time necessary for the material to reach its thermoplastic character or molten state, after which the plates (1-1 '') approximate until They come into contact, undergoing a slight pressure and maintaining this situation for a short period of time, less than 20 seconds, after which they began cooling to room temperature, so that the material recovers its original normal state. The roll thus obtained is especially suitable for obtaining insoles for footwear, adapting to it a coating sheet based on fabric, leather, cardboard or the like and obtaining said templates by die-cutting and thermoforming in continuous processes.

ES009802292A 1998-10-30 1998-10-30 PROCEDURE FOR OBTAINING A SHEET IN THE ROLL OF ETHYLENVINYL ACETATE (EVA) FOR APPLICATION TO THE FOOTWEAR INDUSTRY. Expired - Fee Related ES2159223B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES009802292A ES2159223B1 (en) 1998-10-30 1998-10-30 PROCEDURE FOR OBTAINING A SHEET IN THE ROLL OF ETHYLENVINYL ACETATE (EVA) FOR APPLICATION TO THE FOOTWEAR INDUSTRY.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES009802292A ES2159223B1 (en) 1998-10-30 1998-10-30 PROCEDURE FOR OBTAINING A SHEET IN THE ROLL OF ETHYLENVINYL ACETATE (EVA) FOR APPLICATION TO THE FOOTWEAR INDUSTRY.

Publications (2)

Publication Number Publication Date
ES2159223A1 ES2159223A1 (en) 2001-09-16
ES2159223B1 true ES2159223B1 (en) 2002-04-16

Family

ID=8305649

Family Applications (1)

Application Number Title Priority Date Filing Date
ES009802292A Expired - Fee Related ES2159223B1 (en) 1998-10-30 1998-10-30 PROCEDURE FOR OBTAINING A SHEET IN THE ROLL OF ETHYLENVINYL ACETATE (EVA) FOR APPLICATION TO THE FOOTWEAR INDUSTRY.

Country Status (1)

Country Link
ES (1) ES2159223B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20010584A1 (en) * 2001-03-20 2002-09-20 Fiscagomma Spa PROCEDURE FOR THE REALIZATION OF A MATERIAL IN FOAM ADHESIVE FOAM MATERIAL IN ADHESIVE SHEET REALIZED WITH THIS PROCED

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258094A (en) * 1979-04-26 1981-03-24 Brunswick Corporation Melt bonded fabrics and a method for their production
JPS5628827A (en) * 1979-08-20 1981-03-23 Mitsubishi Chem Ind Ltd Method of preventing shift of defogging agent to surface of film for farm use
JPH0624768B2 (en) * 1987-09-21 1994-04-06 積水化学工業株式会社 Foam sheet connection device
JPH0197624A (en) * 1987-10-09 1989-04-17 Daiwa Kobunshi Kogyo Kk Junction of sheet
JP2768575B2 (en) * 1991-08-30 1998-06-25 信越ポリマー株式会社 How to connect long tape
JPH05246592A (en) * 1992-03-02 1993-09-24 Yamakawa Kako:Kk Film feeding device
GB2270696A (en) * 1992-09-05 1994-03-23 Shyu Horng Yi Electrically conductive foam

Also Published As

Publication number Publication date
ES2159223A1 (en) 2001-09-16

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