IT1253170B - LOT OF THERMOPLASTIC MATERIAL, SUITABLE FOR ALLOWING THE SPILL OF THE AIR INCORPORATED BY THE BAGGED PRODUCT. - Google Patents

LOT OF THERMOPLASTIC MATERIAL, SUITABLE FOR ALLOWING THE SPILL OF THE AIR INCORPORATED BY THE BAGGED PRODUCT.

Info

Publication number
IT1253170B
IT1253170B ITGE910097A ITGE910097A IT1253170B IT 1253170 B IT1253170 B IT 1253170B IT GE910097 A ITGE910097 A IT GE910097A IT GE910097 A ITGE910097 A IT GE910097A IT 1253170 B IT1253170 B IT 1253170B
Authority
IT
Italy
Prior art keywords
sheet
thermoplastic material
spill
lot
allowing
Prior art date
Application number
ITGE910097A
Other languages
Italian (it)
Original Assignee
Bl Macchine Automatiche
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 Bl Macchine Automatiche filed Critical Bl Macchine Automatiche
Priority to ITGE910097A priority Critical patent/IT1253170B/en
Publication of ITGE910097A0 publication Critical patent/ITGE910097A0/en
Priority to EP92112068A priority patent/EP0524539A1/en
Publication of ITGE910097A1 publication Critical patent/ITGE910097A1/en
Application granted granted Critical
Publication of IT1253170B publication Critical patent/IT1253170B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Filtering Materials (AREA)

Abstract

Almeno una delle pareti (S1-S2) del sacco è composta da almeno un usuale foglio (1) di materia termoplastica, ad esempio di polietilene, dotato in una zona predeterminata di piccoli fori (2) chiusi da almeno un foglio filtrante (3) permeabile all'aria ma non al prodotto insaccato, di qualsiasi adatto materiale termosaldabile al foglio dinanzi detto e di preferenza posto sulla faccia interna di tale foglio ed a questo termosaldato con due o più dei propri lati. Tale foglio filtrante è di preferenza realizzato con un TNT commercializzato della Du Pont col marchio Tyvek o con un materiale equivalente.At least one of the walls (S1-S2) of the bag is composed of at least one usual sheet (1) of thermoplastic material, for example of polyethylene, equipped in a predetermined area with small holes (2) closed by at least one filtering sheet (3) permeable to air but not to the bagged product, of any suitable heat-sealable material to the sheet in front of said and preferably placed on the inner face of said sheet and heat-sealed to this with two or more of its sides. This filter sheet is preferably made with a TNT marketed by Du Pont under the Tyvek brand or with an equivalent material.

ITGE910097A 1991-07-24 1991-07-24 LOT OF THERMOPLASTIC MATERIAL, SUITABLE FOR ALLOWING THE SPILL OF THE AIR INCORPORATED BY THE BAGGED PRODUCT. IT1253170B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITGE910097A IT1253170B (en) 1991-07-24 1991-07-24 LOT OF THERMOPLASTIC MATERIAL, SUITABLE FOR ALLOWING THE SPILL OF THE AIR INCORPORATED BY THE BAGGED PRODUCT.
EP92112068A EP0524539A1 (en) 1991-07-24 1992-07-15 Bag made of thermoplastic material capable of permitting the outflow of air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITGE910097A IT1253170B (en) 1991-07-24 1991-07-24 LOT OF THERMOPLASTIC MATERIAL, SUITABLE FOR ALLOWING THE SPILL OF THE AIR INCORPORATED BY THE BAGGED PRODUCT.

Publications (3)

Publication Number Publication Date
ITGE910097A0 ITGE910097A0 (en) 1991-07-24
ITGE910097A1 ITGE910097A1 (en) 1993-01-24
IT1253170B true IT1253170B (en) 1995-07-10

Family

ID=11354106

Family Applications (1)

Application Number Title Priority Date Filing Date
ITGE910097A IT1253170B (en) 1991-07-24 1991-07-24 LOT OF THERMOPLASTIC MATERIAL, SUITABLE FOR ALLOWING THE SPILL OF THE AIR INCORPORATED BY THE BAGGED PRODUCT.

Country Status (2)

Country Link
EP (1) EP0524539A1 (en)
IT (1) IT1253170B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408244A1 (en) * 1994-03-11 1995-09-14 Bosch Gmbh Robert Laminate for the production of packaging containers
US6120817A (en) 1998-08-07 2000-09-19 General Mills, Inc. Container for storing fine particles
US6132780A (en) * 1998-10-09 2000-10-17 General Mills, Inc. Container for storing fine particles
DE202006019054U1 (en) * 2006-12-18 2008-04-30 Bischof + Klein Gmbh & Co. Kg Packaging container in bag or sack form
JP2016132481A (en) * 2015-01-21 2016-07-25 凸版印刷株式会社 Rice bag packing material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1169280A (en) * 1967-05-26 1969-11-05 British Visqueen Ltd Plastics bags
DE1908440A1 (en) * 1969-02-20 1970-09-10 Osthushenrich Kg Sack, especially valve sack
JPS592655Y2 (en) * 1979-08-10 1984-01-25 シ−アイ化成株式会社 Carbon body for rubber compounding
NZ209507A (en) * 1983-10-06 1986-07-11 Canadian Ind Thermoplastic valve bag:perforated outer wall with mesh inner liner

Also Published As

Publication number Publication date
EP0524539A1 (en) 1993-01-27
ITGE910097A1 (en) 1993-01-24
ITGE910097A0 (en) 1991-07-24

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Legal Events

Date Code Title Description
0001 Granted