DE102009018783A1 - Bag for use in e.g. automobile industry, has external layer and internal layer that are not electrically conducted with each other, and intermediate layer that is formed as electrically conductive layer - Google Patents

Bag for use in e.g. automobile industry, has external layer and internal layer that are not electrically conducted with each other, and intermediate layer that is formed as electrically conductive layer Download PDF

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Publication number
DE102009018783A1
DE102009018783A1 DE102009018783A DE102009018783A DE102009018783A1 DE 102009018783 A1 DE102009018783 A1 DE 102009018783A1 DE 102009018783 A DE102009018783 A DE 102009018783A DE 102009018783 A DE102009018783 A DE 102009018783A DE 102009018783 A1 DE102009018783 A1 DE 102009018783A1
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DE
Germany
Prior art keywords
bag
layer
intermediate layer
electrically conductive
layers
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.)
Ceased
Application number
DE102009018783A
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German (de)
Inventor
Torsten Aeugle
Markus Köpfer
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.)
Frenzelit Werke GmbH
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Frenzelit Werke GmbH
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Filing date
Publication date
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Priority to DE102009018783A priority Critical patent/DE102009018783A1/en
Publication of DE102009018783A1 publication Critical patent/DE102009018783A1/en
Ceased legal-status Critical Current

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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
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/02—Sacks with laminated or multiple walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B32B9/025—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch comprising leather
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/0043—Casings being flexible containers, e.g. pouch, pocket, bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/212—Electromagnetic interference shielding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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    • B32B2439/00—Containers; Receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2605/00—Vehicles
    • 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
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Textile Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The bag has external and internal layers (2, 4) that are not electrically conducted with each other. An intermediate layer (3) is formed as an electrically conductive layer. The intermediate layer is made of a metal foil, a metal net, a conductive lattice structure, a carbon knitted fabric, a carbon-fleece and/or a carbon fleece material. The internal and external layers are made of artificial leather, leather, foam and mixture of leather and foam.

Description

Die Erfindung betrifft einen Beutel, der mindestens drei Schichten aufweist, wodurch elektrische Bauteile von elektrischen bzw. elektromagnetischen Effekten und Einflüssen abgeschirmt werden können. Weiterhin betrifft die Erfindung die Verwendung des Beutels.The The invention relates to a bag having at least three layers, which electrical components of electrical or electromagnetic effects and influences can be shielded. Farther The invention relates to the use of the bag.

Aus dem Stand der Technik sind schon verschiedene Systeme zur Abschirmung von elektrischen Bauteilen bekannt, z. B. leitfähige Kunststoffe, metallische Netze.Out The prior art are already different systems for shielding of electrical components known, for. B. conductive plastics, metallic Networks.

Im Stand der Technik sind aber bisher keine Systeme bekannt, die auf einfache Weise und kostengünstig die Abschirmung von Bauteilen, auch für verschiedene Anwendungsfälle, ermöglichen.in the However, no prior art systems are known on the prior art simple and cost-effective the shielding of components, also for different applications.

Ausgehend hiervon ist es Aufgabe der vorliegenden Erfindung ein System zur Abschirmung von Bauteilen bereitzustellen, das sowohl als Trägerelement als auch zur Erhöhung der elektromagnetischen Verträglichkeit (EMV) einsetzbar ist.outgoing It is an object of the present invention, a system for To provide shielding of components, both as a carrier element as well as to increase the electromagnetic compatibility (EMC) can be used.

Diese Aufgabe wird durch den Beutel mit den Merkmalen des Anspruchs 1 gelöst. Anspruch 13 betrifft die Verwendung des erfindungsgemäßen Beutels. Weitere vorteilhafte Ausführungsformen sind in den abhängigen Ansprüchen enthalten.These The object is achieved by the bag having the features of claim 1 solved. Claim 13 relates to the use of the invention Bag. Further advantageous embodiments are in the dependent claims.

Erfindungsgemäß wird ein Beutel vorgeschlagen, der mindestens drei Schichten zur Abschirmung elektrischer wie auch elektromagnetischer Effekte von Bauteilen aufweist. Hierbei ist sowohl die mindestens eine Außenschicht als auch die mindestens eine Innenschicht nicht elektrisch leitend. Die mindestens eine Zwischenschicht ist eine elektrisch leitfähige Schicht.According to the invention a pouch that has at least three layers for shielding electrical as well as electromagnetic effects of components having. Here, both the at least one outer layer as well as the at least one inner layer not electrically conductive. The at least one intermediate layer is an electrically conductive Layer.

So wird entweder eine zusätzliche Verbesserung der EMV der im Beutel gehaltenen Bauteile erreicht oder es kann auf zusätzliche elektronische EMV-Maßnahmen verzichtet werden. Weiterhin kann auf diese Weise die EMV-Klasse des Bauteils verbessert werden und somit Kosten eingespart werden, die andernfalls für spezielle bauliche Maßnahmen erforderlich wären.So Either an additional improvement in the EMC of the reached in the bag held components or it can be on additional electronic EMC measures are dispensed with. Farther In this way, the EMC class of the component can be improved and thus costs are saved, which otherwise for special structural measures would be required.

Durch den Schichtaufbau des Beutels wird erreicht, dass die elektrisch leitfähige Schicht sowohl von außen als auch von innen gegen den Kontakt mit dem Bauteil und somit kurzschluss- und abriebgeschützt wird.By The layer structure of the bag is achieved that the electric conductive layer both from the outside and from inside against contact with the component and thus short circuit and is protected against abrasion.

Bevorzugt besteht die Zwischenschicht aus flexiblen Materialien, die zur Abschirmung von elektrischen und/oder elektromagnetischen Effekten geeignet sind.Prefers the intermediate layer consists of flexible materials that shield of electrical and / or electromagnetic effects are.

Die Zwischenschicht des erfindungsgemäßen Beutels kann aus einer Metallfolie, einem Metallnetz, einer leitfähigen Gitterstruktur (z. B. aus Kupfer oder einer Legierung), Kohlenstoffgewirke, Kohlenstoff-Vlies und/oder Kohlenstoff-Vliesstoff bestehen. Im Prinzip können alle nicht-starren Elemente als dämmende Zwischenschicht eingesetzt werden.The Intermediate layer of the bag according to the invention can be made of a metal foil, a metal mesh, a conductive Lattice structure (eg made of copper or an alloy), carbon knitted fabric, Carbon nonwoven and / or carbon nonwoven fabric exist. Basically Can all non-rigid elements as insulating Intermediate layer can be used.

In einer bevorzugten Variante besteht die Zwischenschicht aus einem Kohlenstoff-Vlies und/oder Kohlenstoff-Vliesstoff, das im NON-WOVEN Verfahren hergestellt worden ist, mit einer Flächenmasse von > 10 g/cm3.In a preferred variant, the intermediate layer consists of a carbon nonwoven and / or carbon nonwoven fabric, which has been produced by the NON-WOVEN process, with a basis weight of> 10 g / cm 3 .

Vliesstoffe sind nach der EN 29092 aus Fasern gefertigte Flächengebilde, die auf unterschiedliche Weise verfestigt werden. Als Fasern können sowohl Kurzfasern (einige Millimeter), Spinnfasern oder auch Filamente (Endlosfasern) eingesetzt werden. Als Wege zur Verfestigung kommen das Trockenvliesverfahren, das Nassvliesverfahren sowie das Spinnvliesverfahren in Frage.Nonwovens are after the EN 29092 fiber-fabricated fabrics that are solidified in different ways. As fibers, both short fibers (a few millimeters), staple fibers or filaments (continuous fibers) can be used. As methods for solidification, the dry nonwoven process, the wet nonwoven process and the spunbonding process come into question.

Weiterhin kann der erfindungsgemäße Beutel einen von der Zwischenschicht ausgehenden Masseanschluss zur Erdung des elektronischen Bauteils aufweisen. Auf diese Weise wird die Schirmwirkung des Beutels zusätzlich verbessert.Farther the bag according to the invention can one of the Interlayer outgoing ground connection to ground the electronic Have component. In this way, the shielding effect of the bag additionally improved.

Die Abschirmung von elektronischen Bauteilen bzw. Geräten spielt im Zusammenhang mit der elektromagnetischen Verträglichkeit (EMV) eine wichtige Rolle. Die EMV umfasst alle ungewollten oder gewollten Funktionen und Funktionsstörungen elektrischer oder elektro nischer Betriebsmittel durch z. B. elektrische, magnetische oder elektromagnetische Felder und Vorgänge. Darin sind Beeinflussungen, die durch Ströme oder Spannungen hervorgerufen werden können, bereits eingeschlossen.The Shielding of electronic components or devices plays in the context of electromagnetic compatibility (EMC) an important role. The EMC includes all unwanted or wanted functions and malfunctions electrical or electro nic resources by z. B. electrical, magnetic or electromagnetic fields and processes. Are in it Influences caused by currents or voltages can already be included.

Wesentlich für die Sicherstellung der elektromagnetisch verträglichen Funktion der elektrischen Betriebsmittel ist deren sachgerechter Aufbau und Gestaltung, wobei der Nachweis und die Bestätigung der Störunempflindlichkeit und hinreichend geringer Störaussendung durch EMV-Richtlinien und EMV-Normen geregelt sind.Essential for ensuring the electromagnetically acceptable Function of electrical equipment is more appropriate Construction and design, whereby the proof and the confirmation of the Störunempflindlichkeit and sufficiently low noise emission regulated by EMC guidelines and EMC standards.

Das übliche Störkopplungsmodell geht von den Begriffen Störquelle, Kopplungspfad und Störsenke aus. Das Störungen erzeugende Betriebsmittel wird als Störquelle, das beeinflussende Betriebsmittel wird als Störsenke bezeichnet. Damit es zu einer Beeinflussung der Senke durch die Quelle kommen kann, muss die Störung zur Senke gelangen, um dort als Störgröße wirken zu können. Den Weg zwischen Quelle und Senke nennt man Kopplung oder Kopplungspfad. Das Kriterium für die Güte einer Signalübertragung ist in der EMV der Störabstand.The usual Jamming coupling model is based on the terms jamming source, Coupling path and Störseke off. The disturbances generating resources is as a source of interference, the influencing Operating equipment is referred to as a disturbance sink. So that must be able to influence the sink by the source get the disturbance to the sink to there as a disturbance to be able to act. The path between source and sink calls one coupling or coupling path. The criterion for the Quality of a signal transmission is in the EMC of Signal to noise ratio.

In einer bevorzugten Variante des erfindungsgemäßen Gegenstands ist das Material der Außenschicht des Beutels ausgewählt aus der Gruppe bestehend aus Kunststoffen, wie z. B. Polypropylen (PP), Kunstleder, Leder, Schäumen und Mischungen hiervon. Hier sind prinzipiell sämtliche robuste Materialien einsetzbar, die nicht elektrisch leitend sind.In a preferred variant of the invention Article is the material of the outer layer of the bag selected from the group consisting of plastics, such as z. As polypropylene (PP), synthetic leather, leather, foams and Mixtures thereof. Here are basically all robust materials can be used, which are not electrically conductive.

Durch diese Materialien ist gewährleistet, dass die Störaussendungen so gering sind, dass z. B. Rundfunk empfänger oder andere Betriebsmittel in der Störumgebung nicht unzulässig beeinflusst werden.By These materials ensure that the emissions are so small that z. B. broadcast receivers or others Equipment in the interference environment is not inadmissible to be influenced.

Es wird zwischen natürlichen und technischen Störquellen und Störsenken unterschieden. Als Beispiele für eine natürliche Störquelle gilt ein Blitz, natürliche Senken können Lebewesen sein. Typische technische Störquellen sind z. B. Frequenzumrichter, typische technische Störsenken sind z. B. Funkempfangsgeräte.It becomes between natural and technical sources of interference and Disturbance distinguished. As examples of a natural source of interference is a lightning, natural Sinks can be living beings. Typical technical sources of interference are z. B. Frequency converter, typical technical Störsenken are z. B. radio receivers.

Das Material der Innenschicht ist bevorzugt ausgewählt aus der Gruppe bestehend aus Kunststoffen, wie z. B. Polypropylen (PP), Kunstleder, Leder, Schäumen und Mischungen hiervon. Hierfür gelten die gleichen Kriterien wie für das Außenmaterial. Durch eine flexible Innenschicht kann das Bauteil direkt, und, wenn erforderlich, ohne Luftzwischenraum zwischen Bauteil und Beutel ummantelt werden.The Material of the inner layer is preferably selected from the group consisting of plastics, such as. Polypropylene (PP), Synthetic leather, leather, foams and mixtures thereof. Therefor The same criteria apply as for the outer material. By a flexible inner layer can direct the component, and, if required, be sheathed between the component and bag without air space.

In einer weiteren Ausführungsform des erfindungsgemäßen Beutels sind die mindestens drei Schichten des Beutels fest miteinander verbunden. Dadurch erhöht sich die Stabilität des Beutels. Ferner wird so auch die Weiterverarbeitung der Schichten erleichtert. Die Schichtdicke kann dabei in Abhängigkeit von den Anforderungen der Umgebung variiert werden.In a further embodiment of the invention Bag, the at least three layers of the bag are firmly together connected. This increases the stability of the bag. Furthermore, the further processing of the layers is thus facilitated. The layer thickness can vary depending on the requirements the environment can be varied.

Die mindestens drei Schichten können durch laminieren, kleben, kaschieren wie auch vernadeln miteinander verbunden sein. Die geeignete Methode zur Herstellung eines erfindungsgemäßen Beutels kann in Abhängigkeit von den eingesetzten Materialien ausgewählt werden. Weiterhin kann der Beutel durch die vielfältigen Möglichkeiten optimal an die Umgebung des abzuschirmenden Bauteils angepasst werden.The at least three layers can be laminated by laminating, conceal as well as needling to be connected. The suitable Method for the production of an inventive Bag may vary depending on the materials used to be selected. Furthermore, the bag through the various possibilities optimally to the environment be adapted to the shielded component.

Die Dicke der Außen- und Innenschicht beträgt bevorzugt zwischen 1 und 5 mm. Die Dicke der elektrisch leitenden Zwischenschicht hat bevorzugt eine Dicke von 180 bis 500 μm.The Thickness of the outer and inner layers is preferred between 1 and 5 mm. The thickness of the electrically conductive intermediate layer preferably has a thickness of 180 to 500 microns.

Vorzugsweise ist der Beutel durch nähen, tackern, kleben und/oder einrollen gefertigt. Somit sind alle denkbaren Beutelformen (z. B. zylinderförmig, quaderförmig) und Beutelgrößen herstellbar.Preferably The bag is made by sewing, stapling, gluing and / or rolling manufactured. Thus, all conceivable bag shapes (for example, cylindrical, cuboid) and bag sizes can be produced.

Es können auch aus verschiedenen Einzelteilen bestehende Beutel gefertigt werden, wodurch praktisch alle möglichen regelmäßigen und unregelmäßigen Formen, die Bauteile aufweisen können, abgedeckt werden.It can also be made of different parts existing bags be made, eliminating virtually all possible regular and irregular shapes having components can be covered.

Bevorzugt ist der Beutel mindestens bereichsweise mittels Reißverschluss oder ähnlichen Verbindungen verschließbar. Dadurch ist das Bauteil vollständig umschließbar und folglich ist eine größtmögliche Abschirmung der elektronischen Bauteile gewährleistet. Weiterhin ist das elektronische Bauteil leicht zugänglich, sofern Reparaturen oder Umbauten etc. erforderlich werden sollten.Prefers the bag is at least partially zipped or similar compounds can be closed. Thereby the component is completely encompassable and therefore is a maximum shielding of the ensured electronic components. Furthermore, that is electronic component easily accessible, provided repairs or tags etc. should be required.

Der Beutel kann zusätzlich akustisch gedämmt sein bzw. dämmend wirken. Dies erfolgt durch die verwendeten Außen- und Innenmaterialien, welche gegebenenfalls Materialien mit einem hohen Raumgewicht sind.Of the Bag can also be acoustically insulated or insulating effect. This is done by the used Exterior and interior materials, which may be materials with a high density are.

Weiterhin umfasst die Erfindung die Verwendung eines Beutels in der Autoindustrie, der Computerbranche, der Luftfahrtindustrie sowie in der Medizintechnik.Farther the invention includes the use of a bag in the automotive industry, the computer industry, the aerospace industry and in medical technology.

Dabei sind sowohl Innenbereiche als auch Bereiche außerhalb von geschlossenen Räumen als Verwendungsbe reiche denkbar.there are both interior areas and areas outside of enclosed spaces conceivable areas of use conceivable.

Weiterhin kann die Oberfläche bzw. die Außenschicht eines erfindungsgemäßen Beutels der z. B. in der Medizintechnik eingesetzt wird, spezielle Eigenschaften beispielsweise Stabilität gegenüber Desinfektions- und/oder Lösungsmitteln aufweisen.Farther can the surface or the outer layer of a Bag of the invention z. B. in medical technology is used, special properties such as stability against disinfectants and / or solvents exhibit.

Auch eine das Bauteil zusätzlich zur Schirmwirkung vor Wärme- oder Kälteeinflüssen schützende Außenschicht ist erfindungsgemäß umfasst, wodurch der Beutel in Abhängigkeit von den verwendeten Materialien in verschiedenen Temperaturbereichen eingesetzt werden kann.Also a component in addition to the screening effect against heat or cold-protective protective outer layer is included according to the invention, whereby the bag depending on the materials used in different Temperature ranges can be used.

Anhand der nachfolgenden Figuren soll der anmeldungsgemäße Gegenstand näher erläutert werden, ohne diesen auf die hier gezeigten speziellen Ausführungsformen einschränken zu wollen.Based the following figures, the application according to Subject to be explained in more detail, without this restrict to the specific embodiments shown here to want.

1 zeigt den Abschnitt eines möglichen Schichtaufbaus für den erfindungsgemäßen Beutel. 1 shows the portion of a possible layer structure for the bag according to the invention.

2 zeigt einen horizontalen Schnitt durch einen Beutel mit einem dreischichtigen Aufbau. 2 shows a horizontal section through a bag with a three-layer structure.

3A zeigt einen horizontalen Schnitt durch einen zylindrischen Beutel. 3A shows a horizontal section through a cylindrical bag.

3B zeigt einen vertikalen Schnitt durch einen zylindrischen bzw. quaderförmigen Beutel. 3B shows a vertical section through a cylindrical or cuboid bag.

In 1 ist der Abschnitt eines Schichtaufbaus 1, der aus drei Schichten besteht, schematisch darge stellt. Dieser Schichtaufbau 1 umfasst die Außenschicht 2, die elektrisch leitfähige Zwischenschicht 3 sowie, daran angrenzend, die nicht elektrisch leitende Innenschicht 4. Weiterhin ist ein Masseanschluss 5 dargestellt, der zur Erdung von Bauteilen 6 dient und an der Zwischenschicht 3 angeordnet ist.In 1 is the section of a layer structure 1 , which consists of three layers, schematically Darge presents. This layer structure 1 includes the outer layer 2 , the electrically conductive intermediate layer 3 and, adjacent thereto, the non-electrically conductive inner layer 4 , Furthermore, there is a ground connection 5 shown for grounding of components 6 serves and at the intermediate layer 3 is arranged.

In 2 ist ein horizontaler Schnitt durch einen zylinderförmigen Beutel 7 dargestellt. Dieser Beutel 7 weist den in 2 schematisch dargestellten, dreischichtigen Aufbau 1 aus Außenschicht 2, Zwischenschicht 3 und Innenschicht 4 auf. Das zylindrische Bauteil 6 ist durch einen Massenanschluss 5 zwischen dem Bauteil 6 und der leitfähigen Zwischenschicht 3 geerdet.In 2 is a horizontal section through a cylindrical bag 7 shown. This bag 7 has the in 2 schematically illustrated, three-layer construction 1 from outer layer 2 , Intermediate layer 3 and inner layer 4 on. The cylindrical component 6 is through a mass connection 5 between the component 6 and the conductive intermediate layer 3 grounded.

3A zeigt einen horizontalen Schnitt durch ein Bauteil 6 in einem zylinderförmigen Beutel 7, das über einen Masseanschluss 5, der zwischen dem Bauteil 6 und der Zwischenschicht 3 angeordnet ist, geerdet ist. Dieser Beutel weist einen, wie z. B. in 2 dargestellt, mehrschichtigen Aufbau 1 auf, wobei eine leitfähige Zwischenschicht 3 zwischen zwei nicht leitfähigen Schichten, der Innenschicht 4 und der Außenschicht 2, angeordnet ist. 3A shows a horizontal section through a component 6 in a cylindrical bag 7 that has a ground connection 5 that is between the component 6 and the intermediate layer 3 is arranged, grounded. This bag has a, such. In 2 shown, multi-layered construction 1 on, wherein a conductive intermediate layer 3 between two non-conductive layers, the inner layer 4 and the outer layer 2 , is arranged.

3B zeigt einen vertikalen Schnitt durch den erfindungsgemäßen Beutel 7, der ein elektronisches Bauteil 6 enthält. Der Beutel 7 kann hier, in Abhängigkeit von dem zu ummantelnden Bauteil 6, sowohl zylinderförmig als auch quaderförmig sein. Das elektronische Bauteil 6 ist über den Masseanschluss 5, der zwischen dem Bauteil 6 und der Zwischenschicht 3 angeordnet ist, geerdet. Der Beutel 7 weist mindestens drei Schichten 1 auf, wobei die Außenschicht 2 und die Innenschicht 4 keine elektrische Leitfähigkeit besitzen. Die zwischen der Innenschicht 4 und der Außenschicht 2 angeordnete Zwischenschicht 3 ist elektrisch leitfähig. 3B shows a vertical section through the bag according to the invention 7 , which is an electronic component 6 contains. The bag 7 can here, depending on the component to be coated 6 , be both cylindrical and cuboid. The electronic component 6 is over the ground connection 5 that is between the component 6 and the intermediate layer 3 is arranged, grounded. The bag 7 has at least three layers 1 on, with the outer layer 2 and the inner layer 4 have no electrical conductivity. The between the inner layer 4 and the outer layer 2 arranged intermediate layer 3 is electrically conductive.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte Nicht-PatentliteraturCited non-patent literature

  • - EN 29092 [0012] - EN 29092 [0012]

Claims (13)

Beutel (7) aus mindestens drei Schichten (1) zur Abschirmung elektrischer und/oder elektromagnetischer Effekte von Bauteilen (6), wobei sowohl die mindestens eine Außenschicht (2) als auch die mindestens eine Innenschicht (4) nicht elektrisch leitend sind und die mindestens eine Zwischenschicht (3) eine elektrisch leitfähige Schicht ist.Bag ( 7 ) of at least three layers ( 1 ) for shielding electrical and / or electromagnetic effects of components ( 6 ), wherein both the at least one outer layer ( 2 ) as well as the at least one inner layer ( 4 ) are not electrically conductive and the at least one intermediate layer ( 3 ) is an electrically conductive layer. Beutel (7) gemäß dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Zwischenschicht (3) aus flexiblen Materialien besteht, die zur Abschirmung von elektrischen und/oder elektromagnetischen Effekten geeignet ist.Bag ( 7 ) according to the preceding claim, characterized in that the intermediate layer ( 3 ) is made of flexible materials that is suitable for shielding electrical and / or electromagnetic effects. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenschicht (3) aus einer Metallfolie, Metallnetz, leitfähiger Gitterstruktur, Kohlenstoffgewirke, Kohlenstoff-Vlies und/oder Kohlenstoff-Vliesstoff besteht.Bag ( 7 ) according to one of the preceding claims, characterized in that the intermediate layer ( 3 ) consists of a metal foil, metal mesh, conductive grid structure, carbon knitted fabric, carbon nonwoven and / or carbon nonwoven fabric. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenschicht (3) ein Kohlenstoff-Vlies und/oder ein Kohlenstoff-Vliesstoff mit einer Flächenmasse von > 10 g/cm3 ist.Bag ( 7 ) according to one of the preceding claims, characterized in that the intermediate layer ( 3 ) is a carbon nonwoven and / or a carbon nonwoven fabric having a basis weight of> 10 g / cm 3 . Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Beutel (7) einen von der Zwischenschicht (3) ausgehenden Masseanschluss (5) zur Erdung des elektronischen Bauteils (6) aufweist.Bag ( 7 ) according to one of the preceding claims, characterized in that the bag ( 7 ) one of the intermediate layer ( 3 ) outgoing earth connection ( 5 ) for grounding the electronic component ( 6 ) having. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Material der Außenschicht (2) ausgewählt ist aus der Gruppe bestehend aus Kunststoffen, Kunstleder, Leder, Schäumen und Mischungen hiervon.Bag ( 7 ) according to one of the preceding claims, characterized in that the material of the outer layer ( 2 ) is selected from the group consisting of plastics, artificial leather, leather, foams and mixtures thereof. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Material der Innenschicht (4) ausgewählt ist aus der Gruppe bestehend aus Kunststoffen, Kunstleder, Leder, Schäumen und Mischungen hiervon.Bag ( 7 ) according to one of the preceding claims, characterized in that the material of the inner layer ( 4 ) is selected from the group consisting of plastics, artificial leather, leather, foams and mixtures thereof. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mindestens drei Schichten (1) fest miteinander verbunden sind.Bag ( 7 ) according to one of the preceding claims, characterized in that the at least three layers ( 1 ) are firmly connected. Beutel (7) gemäß dem einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mindestens drei Schichten (1) durch laminieren, kleben, kaschieren und/oder vernadeln miteinander verbunden sind.Bag ( 7 ) according to one of the preceding claims, characterized in that the at least three layers ( 1 ) are laminated, glued, laminated and / or needled together. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Beutel (7) durch nähen, tackern, kleben und/oder einrollen gefertigt ist.Bag ( 7 ) according to one of the preceding claims, characterized in that the bag ( 7 ) by sewing, stapling, gluing and / or rolling is made. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Beutel (7) mindestens bereichsweise mittels Reißverschluss oder ähnlichen Verbindungen verschließbar ist.Bag ( 7 ) according to one of the preceding claims, characterized in that the bag ( 7 ) is at least partially closed by zippers or similar compounds. Beutel (7) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er zusätzlich akustisch gedämmt ist.Bag ( 7 ) according to one of the preceding claims, characterized in that it is additionally acoustically insulated. Verwendung eines Beutels (7) gemäß einem der Ansprüche 1 bis 12 in der Autoindustrie, Computerbranche, Luftfahrtindustrie und Medizintechnik.Use of a bag ( 7 ) according to one of claims 1 to 12 in the automotive industry, computer industry, aviation industry and medical technology.
DE102009018783A 2009-04-24 2009-04-24 Bag for use in e.g. automobile industry, has external layer and internal layer that are not electrically conducted with each other, and intermediate layer that is formed as electrically conductive layer Ceased DE102009018783A1 (en)

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US4885659A (en) * 1987-12-21 1989-12-05 Pandel, Inc. Static dissipative mat
US20020036149A1 (en) * 2000-09-22 2002-03-28 Bill Kwong Soft enclosure for data storage device
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US4407872A (en) * 1981-06-02 1983-10-04 Ricoh Co. Ltd. Sheet material and envelope for packaging electronic parts
US4678699A (en) * 1982-10-25 1987-07-07 Allied Corporation Stampable polymeric composite containing an EMI/RFI shielding layer
US4885659A (en) * 1987-12-21 1989-12-05 Pandel, Inc. Static dissipative mat
US20020036149A1 (en) * 2000-09-22 2002-03-28 Bill Kwong Soft enclosure for data storage device
US20030031388A1 (en) * 2001-08-08 2003-02-13 Gipson Kyle G. Packaging material and containers formed therefrom

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