ES2121518B1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS. - Google Patents

IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS.

Info

Publication number
ES2121518B1
ES2121518B1 ES9501219A ES9501219A ES2121518B1 ES 2121518 B1 ES2121518 B1 ES 2121518B1 ES 9501219 A ES9501219 A ES 9501219A ES 9501219 A ES9501219 A ES 9501219A ES 2121518 B1 ES2121518 B1 ES 2121518B1
Authority
ES
Spain
Prior art keywords
isothermic
layer
sheet
bag
manufacture
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 - Lifetime
Application number
ES9501219A
Other languages
Spanish (es)
Other versions
ES2121518A1 (en
Inventor
Garcia Jose Luis Falaguera
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES9501219A priority Critical patent/ES2121518B1/en
Publication of ES2121518A1 publication Critical patent/ES2121518A1/en
Application granted granted Critical
Publication of ES2121518B1 publication Critical patent/ES2121518B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Bag Frames (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)

Abstract

MEJORAS INTRODUCIDAS EN LA FABRICACION DE BOLSAS ISOTERMICAS PARA ALIMENTOS. LAS MEJORAS CONSISTEN EN QUE LA PARED DE UNA BOLSA ISOTERMICA ESTE FORMADA POR TRES CAPAS (3, 4 Y 5), SUPERPUESTAS Y UNIDAS INTIMAMENTE ENTRE SI CON CARACTER INDEPENDIZABLE, EN DONDE LA CAPA (3) ES LA INTERNA, ESTANDO CONSTITUIDA POR UNA LAMINA DE POLIETILENO DE ALTA DENSIDAD CON ESPUMA DE POLIETILENO, LAMINA QUE ESTA AFECTADA DE UNA SERIE DE ORIFICIOS TRANSVERSALES (6). LA CAPA (4) ES LA INTERMEDIA Y ESTA CONSTITUIDO POR UNA LAMINA DE PAPEL ABSORBENTE O CELULOSA, MIENTRAS QUE LA CAPA (5) ES LA EXTERNA Y ESTA CONSTITUIDA POR UNA LAMINA DE POLIPROPILENO O POLIETILENO CON UN MICROPERFORADO (7). ESTA ESTRUCTURA DE PARED DE LA BOLSA PERMITE LA ABSORCION DE LA HUMEDAD DEL PRODUCTO CONTENIDO EN AQUELLA POR PARTE DE LA CAPA ABSORBENTE (4), A TRAVES DE LOS ORIFICIOS (6), DE MANERA QUE EN BASE AL MICROPERFORADO (7) SE PRODUCIRA LA EVAPORACION DE ESA HUMEDAD Y CONSIGUIENTE ABSORCION DE CALOR DEL INTERIOR DE LA BOLSA, LO QUEORIGINA UNA REFRIGERACION DEL PRODUCTO CONTENIDO EN LA MISMA.IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS. THE IMPROVEMENTS CONSIST IN THAT THE WALL OF AN ISOTHERMIC BAG IS FORMED OF THREE LAYERS (3, 4 AND 5), OVERLAPPED AND UNITED IMMEDIATELY BETWEEN WITH INDEPENDIZABLE CHARACTER, WHERE THE LAYER (3) IS THE INTERNAL, BEING CONSTITUTED BY A SHEET HIGH DENSITY POLYETHYLENE WITH POLYETHYLENE FOAM, A SHEET AFFECTED BY A SERIES OF CROSS-CUT HOLES (6). THE LAYER (4) IS INTERMEDIATE AND IS CONSISTED OF AN ABSORBENT OR CELLULOSE PAPER SHEET, WHILE THE LAYER (5) IS THE EXTERNAL AND IS CONSTITUTED BY A POLYPROPYLENE OR POLYETHYLENE SHEET WITH A MICROPERFORATED (7). THIS WALL STRUCTURE OF THE BAG ALLOWS THE ABSORPTION OF THE MOISTURE OF THE PRODUCT CONTAINED IN IT BY THE ABSORBENT LAYER (4), THROUGH THE HOLES (6), SO THAT ON THE BASIS OF THE MICROPERFORATED (7) THE EVAPORATION OF THAT MOISTURE AND CONSEQUENT ABSORPTION OF HEAT FROM THE INSIDE OF THE BAG, WHICH CAUSES A REFRIGERATION OF THE PRODUCT CONTAINED IN IT.

ES9501219A 1995-06-19 1995-06-19 IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS. Expired - Lifetime ES2121518B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9501219A ES2121518B1 (en) 1995-06-19 1995-06-19 IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9501219A ES2121518B1 (en) 1995-06-19 1995-06-19 IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS.

Publications (2)

Publication Number Publication Date
ES2121518A1 ES2121518A1 (en) 1998-11-16
ES2121518B1 true ES2121518B1 (en) 1999-07-01

Family

ID=8290777

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9501219A Expired - Lifetime ES2121518B1 (en) 1995-06-19 1995-06-19 IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ISOTHERMIC FOOD BAGS.

Country Status (1)

Country Link
ES (1) ES2121518B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012146795A1 (en) * 2011-04-27 2012-11-01 Valgraf, S.L. Packaging for keeping articles cold

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2324581B1 (en) * 2007-06-18 2010-05-26 Antonio Ochoa Marin ISOTHERMAL FOOD BAG.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163724B (en) * 1984-08-30 1988-09-28 Douglas Kitchener Gatward Insulated carrier bag
JP2719396B2 (en) * 1989-04-12 1998-02-25 株式会社日本触媒 Insulation material and method
ES1024992Y (en) * 1993-01-04 1994-07-01 Comercial Projar S A COLD STORAGE DEVICE.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012146795A1 (en) * 2011-04-27 2012-11-01 Valgraf, S.L. Packaging for keeping articles cold
ES2391193A1 (en) * 2011-04-27 2012-11-22 Valgraf, S.L. Packaging for keeping articles cold

Also Published As

Publication number Publication date
ES2121518A1 (en) 1998-11-16

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EC2A Search report published

Date of ref document: 19981116

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