DE102015016214A1 - poetry - Google Patents

Abstract

The present invention relates to a seal, in particular for a motor vehicle, with an expansion body (1) and a magnetic means (3; 6, 8) connected thereto.

Description

The present invention relates to a gasket and seal assembly, in particular for a motor vehicle, a motor vehicle with the gasket or seal assembly and a method and an apparatus for producing the gasket and a method for sealing by means of the gasket.

From internal practice, it is known to arrange in cavities of motor vehicle bodies so-called strongly expanding sealing strips, which are thermally activated by heating the body in an oven and seal the cavities in the expanded state.

In order to fix the sealing tapes during transport and during thermal activation, it is known from in-house practice to fix them by self-adhesive films in the cavities.

However, in particular with dirty and / or oiled cavity surfaces, undesired slipping or loosening of the sealing tapes may occur before or during their thermal activation or expansion.

An object of an embodiment of the present invention is to improve a seal and / or its manufacture and / or application.

This object is achieved by a seal with the features of claim 1. Claims 7, 9, 10, 13 and 15 provide a seal assembly with a seal described herein, a motor vehicle with a seal assembly described herein, a method or apparatus for making a seal described herein or a method of sealing by means of a seal described herein seal described here under protection. Advantageous embodiments of the invention are the subject of the dependent claims.

According to one embodiment of the present invention, a seal, in particular for a motor vehicle, in particular of a motor vehicle, an expansion body and a magnetic means which, in particular non-destructive releasably and / or form,, friction and / or materially connected or will.

As a result, the expansion body can advantageously be fixed in one embodiment, in particular already before and / or during its expansion and / or also on soiled and / or oiled metallic surfaces.

In one embodiment, an adhesive layer is bonded to the expansion body and / or the magnet means.

In this way, in one embodiment, the expansion body may advantageously be fixed, in particular also on non-metallic surfaces and / or in addition to the magnetic fixation by means of the magnetic means.

In a development, the adhesive layer is film-like or formed as an adhesive film. Likewise, it may also be formed as a coating of the expansion body and / or magnetic means. Additionally or alternatively, the adhesive layer is self-adhesive in a development, so in particular as a self-adhesive film.

As a result, the handling can be improved in one embodiment.

Additionally or alternatively, the magnetic means is arranged in a development between the expansion body and the adhesive layer.

In this way, in one embodiment, the magnetic means clamp the adhesive layer against a mounting surface of the seal and thus improve the bond with the mounting surface.

In one embodiment, the magnetic means comprises one or more magnetic elements, in particular it may consist thereof. A magnetic element is in one embodiment (in each case one, in particular ferromagnetic, body, which causes a static magnetic field. Accordingly, in one embodiment, the magnetic means effects a static or permanent magnetic field.

In one embodiment, one or more magnetic elements of the magnetic means (each) are granular or granular or powdery.

As a result, in one embodiment, the arrangement or storage in the expansion body or a subsequently explained substrate can be improved.

In one embodiment, one or more magnetic elements of the magnetic means (each) are band-like or formed as a magnetic tape and have in a development in a thickness direction to an extent which is at most 25%, in particular at most 10%, an extension in a perpendicular thereto lengths - And a direction perpendicular to the thickness and length direction width direction.

As a result, in one embodiment, the production and / or handling of the seal can be improved.

Additionally or alternatively, in one embodiment, the magnetic means may comprise one or more, in particular layer-like and / or pasty, at least in the preparation of the seal pasty, substrates in which, in particular granular or granular or powdery, magnetic elements are incorporated or are, in In one embodiment, the magnet means may consist of this.

As a result, in one embodiment, the production and / or handling of the seal can also be improved.

In one embodiment, the magnetic means, in particular its magnetic element or one or more of its magnetic elements, in particular one or more magnetic tapes and / or one or the substrate with embedded magnetic elements is or is arranged on a surface of the expansion body, in particular with this connected, in particular non-destructive-releasable, in particular cohesively, in particular by gluing, welding, prototypes or the like.

As a result, in one embodiment, the effective magnetic force increases and so the fixation can be improved.

Additionally or alternatively, in one embodiment, the magnetic means, in particular its magnetic element or one or more of its magnetic elements, in particular one or more magnetic tapes and / or one or the substrate with embedded magnetic elements, is arranged in the interior of the expansion body, in particular connected thereto, in particular non-destructively releasable and / or positive, frictional and / or cohesive, in particular by molding or guiding.

As a result, in one embodiment, expansion of the expansion body in different spatial directions can be improved.

In one embodiment, the expansion body and the substrate, in particular separately, are made of the same material.

As a result, in one embodiment, the connection of expansion body and substrate can be improved.

In one embodiment, in particular granular or granular or powdery, magnetic elements can also be arranged directly in the expansion body itself or, in particular in a primary molding of the expansion body.

In another embodiment, the expansion body and the substrate are made of different materials.

As a result, in one embodiment, the incorporation of the magnetic elements in the substrate or be improved.

In one embodiment, the expansion body in a not yet expanded initial state and the magnetic means, at least substantially, the same width.

As a result, the width of the expansion body can be exploited in one embodiment and thus the fixation can be improved.

In another embodiment, the expansion body in the not yet expanded initial state and the magnetic means have different widths, in particular, the expansion body in the not yet expanded initial state may be wider than the magnetic means, in particular a belt-like magnetic element or substrate with embedded magnetic elements.

As a result, in one embodiment, the connection to the expansion body can be improved.

In one embodiment, the expansion body, in particular by temporary heating, in particular by at least 20 ° C and / or at most 200 ° C, and / or a chemical agent, from one or, in particular force-free stable and / or unexpanded , Initial state in a, in particular stable or permanent, especially after the elimination of heating or end of the chemical reaction with the agent remaining, expanded final state can be transferred or transferred or expanded or expanded. In one embodiment, in the expanded end state, at least one cross section, in particular a volume, of the expansion body is increased by at least 10%, in particular at least 25%, in particular at least 50%, in particular at least 100%, compared to the initial state. In one embodiment, the expansion body is thus by temporary heating, in particular permanently, expandable or expanded, in particular by at least 10%.

The expansion body may in particular have thermally activatable or activated and / or rubber-based, EVA-based and / or polymer sealing material, in particular consist thereof, in a further development by Be crosslinked heat or be and / or be cured at room temperature or may be cured.

Such expansion bodies may correspond to, for example, the so-called strongly expanding sealing tapes sold by the company L & L Products, Inc., Romeo, MI / West Columbia, SC, USA or made of the same or similar material.

In one embodiment, a sealing arrangement has at least one component, in particular for a motor vehicle, in particular of the motor vehicle, which has a recess in at least one cross section, in which the seal is arranged at least partially, wherein the seal is at least 50 %, in particular at least 75%, in particular at least 95%, and in one embodiment of the expansion body of the seal is expanded or has a, in particular stable, expanded final state.

In one development, the sealing arrangement has at least one further component, wherein the components together define a cavity in which the seal is at least partially disposed, wherein the seal at least a cross section of the cavity to at least 50%, in particular at least 75%, in particular at least 95th %, and in one embodiment of the expansion body of the seal is expanded or has a, in particular stable, expanded final state.

In another embodiment, the (a) component alone limits a cavity in which the seal is at least partially disposed, the seal at least a cross section of the cavity to at least 50%, in particular at least 75%, in particular at least 95%, fills and in one Execution of the expansion body of the seal is expanded or has a, in particular stable, expanded final state.

In this way, the depression or the cavity can be advantageously sealed in one embodiment.

The one or more components may be in one embodiment, in particular sheet-like, body parts, in particular body panels, one or the motor vehicle. The seal can thus be arranged in particular in a recess of a body panel, which is covered in a development by another body panel or is, and seal these two sheets against each other with expanded expansion body.

To produce the seal, in one embodiment, the magnetic means is connected to the expansion body, in particular non-destructively releasable and / or positive, frictionally and / or cohesively.

In this case, in one embodiment, the magnet means already produced can be connected to the already produced expansion body or be, for example by gluing, plugging or the like.

As a result, the handling can be improved in one embodiment.

Similarly, in one embodiment, magnetic means and expansion bodies may be bonded together during manufacture of the expansion body and / or the magnetic means, for example, by molding or enclosing the magnetic means in or through the expansion body or molding the expansion body to the magnetic means during manufacture, especially master molding , in particular extrusion, of the expansion body and / or by applying or introducing the substrate onto or into the expansion body, in particular prior to solidification of the substrate.

As a result, in one embodiment, the connection to the expansion body can be improved.

In one embodiment, the magnetic means is (already) magnetic prior to connection to the expansion body, in particular magnetized. In another embodiment, the magnetic means is (only) magnetized after being connected to the expansion body.

As a result, in one embodiment, the production and / or handling of the seal and / or the connection of the magnetic means to the expansion body can be improved.

In one embodiment, the, in particular film-like and / or self-adhesive, adhesive layer is or are connected to the expansion body and / or the magnetic means before or after the connection of expansion body and magnetic means. In particular, in one embodiment, the magnetic means on the adhesive layer initially arranged, in particular connected thereto, and then arranged on the expansion body, in particular connected thereto, be or vice versa initially the magnetic means disposed on the expansion body, in particular connected to this, and then arranged on the adhesive layer, in particular be connected to be or be.

As a result, in one embodiment, the production and / or handling of the seal and / or the connection of the adhesive layer can be improved.

In one embodiment, a device for producing the seal for carrying out a method described here is arranged and / or has means for connecting the magnetic means to the expansion body, in particular for arranging the magnetic means on or in the expansion body, in a further development means for connecting the adhesive layer with the expansion body and / or magnetic means, in particular for arranging adhesive layer and magnetic means and / or expansion body to each other, and / or means for magnetizing the magnetic means before or after the connection to the expansion body.

In one embodiment, the seal is or is fixed by means of the magnetic means, in a further development additionally by means of one or the, in particular film-like and / or self-adhesive, adhesive layer on one or the component and, in particular subsequently and / or by temporary heating and or a chemical agent whose expansion body expands or activates its expansion or the expansion body from one or the initial state into an expanded final state, in which in one embodiment at least one cross-section, in particular a volume, of the expansion body at least 10%, in particular at least 25%, in particular at least 50%, in particular at least 100%, compared to the initial state is increased.

Further advantageous developments of the present invention will become apparent from the dependent claims and the following description of preferred embodiments. This shows, partially schematized:

1 a method and apparatus for producing a seal according to an embodiment of the present invention;

2A a step of a method of sealing by means of the seal;

2 B a subsequent step of the method of sealing by means of the seal or a seal assembly according to an embodiment of the present invention; and

3A - 3C Seals according to various embodiments of the present invention in cross section.

1 shows a method and an apparatus for producing a seal according to an embodiment of the present invention.

This is done in the device on a self-adhesive film 2 by a means 36 a magnetic means in the form of a prefabricated ferromagnetic metal strip 3 and on this by another means 10 an expansion body 1 arranged in a non-expanded initial state, wherein adhesive film 2 , Metal band 3 and expansion body 1 cohesively connected to each other, for example, glued be.

In a modification, the magnetic means may also be provided by the agent 36 in the form of a doughy substrate 6 with embedded ferromagnetic metal elements 8th be applied, as in 3A is indicated.

After joining adhesive film 2 , Metal band 3 or substrate 6 and expansion body 1 together, the metal band 3 or in the substrate 6 embedded ferromagnetic metal elements 8th by an electric or permanent magnet 7 magnetized. In a modification, the magnetic means 3 respectively. 6 . 8th even before connection with the expansion body 1 and / or the adhesive film 2 magnetic, in particular magnetized, be.

2A shows a step of a method of sealing by means of this seal. For this purpose, the seal by means of the magnetic means 3 respectively. 6 . 8th and the adhesive film 2 in a cavity 90 fixed, whose in 2A shown cross section through a depression 93 a body sheet 91 and another body sheet 92 is limited, for example, can form a window frame of a motor vehicle body. In a modification may also be the body panel 91 alone the cavity 90 limit by being bent accordingly is or is.

Subsequently, the expansion body 1 in an in 2 B shown step of the process thermally activated by the two body panels 91 . 92 with that in the cavity 90 magnetic and additionally through the adhesive film 2 fixed seal in an oven 100 be heated.

As a result, the expansion body expands 1 from his in 2A shown stable unexpanded initial state in its in 2 B shown stable or permanent expanded final state in which he remains even after elimination of heating and has increased its volume compared to the initial state so that he is the in 2 B shown cross section of the cavity 90 at least substantially completely.

According to shows 2 B Also, a seal assembly according to an embodiment of the present invention.

3A - 3C show cross-sections of seals according to further embodiments of the present invention, which in the above with reference to 1 explained manner and / or in the above with reference to 2A . 2 B can be used for sealing, so that reference is made in this regard to the above statements and will be discussed below only differences.

In the execution of 3A is, as already explained above, instead of the metal strip 3 a substrate 6 with embedded ferromagnetic elements 8th between the expansion body 1 and the adhesive film 2 arranged.

In the execution of 3B the seal or the magnetic means has two metal bands 3 on, in the execution of 3C a metal band 3 , whose width is less than that of the expansion body 1 ,

Although exemplary embodiments have been explained in the foregoing description, it should be understood that a variety of modifications are possible.

Thus, in particular in not shown modifications of 1 - 3C the self-adhesive foil 2 each accounted for.

It should also be noted that the exemplary embodiments are merely examples that are not intended to limit the scope, applications and construction in any way. Rather, the expert is given by the preceding description, a guide for the implementation of at least one exemplary embodiment, with various changes, in particular with regard to the function and arrangement of the components described, can be made without departing from the scope, as it turns out according to the claims and these equivalent combinations of features.

LIST OF REFERENCE NUMBERS

1

expansion body

2

adhesive film

3

magnetic tape

6

substratum

7

Magnetization)

8th

magnetic element

10

(further) means

36

medium

90

cavity

91, 92

body sheet

93

deepening

100

oven

Claims (15)

Seal, in particular for a motor vehicle, having an expansion body ( 1 ) and an associated magnetic means ( 3 ; 6 . 8th ). Seal according to the preceding claim, with a, in particular film-like and / or self-adhesive, adhesive layer ( 2 ) with the expansion body ( 1 ) and / or the magnetic means ( 3 ; 6 . 8th ) connected is. A gasket according to any one of the preceding claims, wherein the magnetic means comprises at least one on a surface or in the interior of the expansion body ( 1 ), in particular band-like, magnetic element ( 3 ) and / or at least one on a surface or in the interior of the expansion body ( 1 ), in particular layer-like, substrate ( 6 ) with embedded magnetic elements ( 8th ) having. A gasket according to the preceding claim, wherein the expansion body ( 1 ) and the substrate ( 6 ) are made of the same material or different materials. Seal according to one of the preceding claims, wherein the expansion body ( 1 ) in a not yet expanded initial state and the magnetic means ( 3 ; 6 . 8th ) have at least substantially the same or different widths, in particular the expansion body ( 1 ) in the unexpanded starting state wider than the magnetic means ( 3 ; 6 . 8th ). Seal according to one of the preceding claims, wherein the expansion body ( 1 ), in particular by temporary warming ( 100 ) and / or a chemical agent, is converted or converted from an initial state to an expanded final state. Sealing arrangement with at least one component ( 91 ), in particular for a motor vehicle, which in at least one cross section has a depression ( 93 ) in which a seal according to any one of the preceding claims is at least partially arranged, the recess ( 93 ) fills to at least 50%. Sealing arrangement according to the preceding claim, wherein the component ( 91 ) or through the component ( 91 ) and at least one further component ( 92 ) of the seal assembly a cavity ( 90 ) is limited, in which the seal is at least partially disposed and at least one cross section of the cavity ( 90 ) fills to at least 50%. Motor vehicle with a seal, in particular a sealing arrangement, according to one of the preceding claims. Method for producing a seal according to one of the preceding claims, comprising the step of connecting the expansion body ( 1 ) with the magnetic means ( 3 ; 6 . 8th ). Method according to the preceding claim, with the step: magnetizing ( 7 ) of the magnetic means ( 3 ; 6 . 8th ) before or after connection to the expansion body ( 1 ). Method according to one of the preceding claims, with the step: bonding a, in particular film-like and / or self-adhesive, adhesive layer ( 2 ), with the expansion body ( 1 ) and / or the magnetic means ( 3 . 6 . 8th ). Method for sealing by means of a seal according to one of the preceding claims, comprising the steps of: fixing the seal to a component ( 92 ) by means of the magnetic means ( 3 ; 6 . 8th ); and expanding the expansion body ( 1 ). Method according to the preceding claim, wherein the seal additionally by means of a, in particular film-like and / or self-adhesive, adhesive layer ( 2 ) on the component ( 92 ) and / or the expansion body ( 1 ) during expansion, in particular by temporary heating ( 100 ) and / or a chemical agent is converted from an initial state to an expanded final state. Device for producing a seal according to one of the preceding claims, which is set up for carrying out a method according to one of the preceding claims and / or means ( 10 . 36 ) for connecting the magnetic means ( 3 ; 6 . 8th ) with the expansion body ( 1 ) having.

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