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
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.
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)
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)
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)
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. |
-
1995
- 1995-06-19 ES ES9501219A patent/ES2121518B1/en not_active Expired - Lifetime
Cited By (2)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19981116 Kind code of ref document: A1 Effective date: 19981116 |
|
FA2A | Application withdrawn |
Effective date: 19991215 |