DE19533367C2 - Process for producing a foam molding, which is provided with an embossed leather dress - Google Patents
Process for producing a foam molding, which is provided with an embossed leather dressInfo
- Publication number
- DE19533367C2 DE19533367C2 DE19533367A DE19533367A DE19533367C2 DE 19533367 C2 DE19533367 C2 DE 19533367C2 DE 19533367 A DE19533367 A DE 19533367A DE 19533367 A DE19533367 A DE 19533367A DE 19533367 C2 DE19533367 C2 DE 19533367C2
- Authority
- DE
- Germany
- Prior art keywords
- leather
- dress
- leather dress
- film
- embossed
- 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 - Fee Related
Links
Classifications
-
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
- B29C44/145—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining the lining being a laminate
-
- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
-
- 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
- B32B9/045—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 synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/022—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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines Schaum-Formstückes, welches auf der dem Betrachter zugewandten Seite mit einem geprägten Lederkleid versehen ist, gemäß den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a method for producing a Foam molding, which faces the viewer Side is embossed with a leather dress, according to the Features of the preamble of claim 1.
Derartige Schaum-Formstücke finden insbesondere als Innenteile in Kraftfahrzeugen, etwa als Instrumententafeln, Airbagab deckungen, Polster etc., Verwendung. Zur Herstellung des je weiligen Schaum-Formstückes wird üblicherweise zunächst ein Lederkleid aus einzelnen Lederteilstücken zusammengenäht. Die Nähte werden dann einzeln mittels entsprechender Dichtbahnen abgedichtet, damit beim späteren Hinterschäumen des Leder kleides kein Schaum durch die Nähte gedrückt wird. Anschlie ßend wird das Lederkleid geprägt, das geprägte Lederkleid in die Schäumform eingelegt, randseitig mit einem Klebeband ab gedichtet und dann hinterschäumt. Dabei kann gegebenenfalls zur Erhöhung der Stabilität des Formstückes eine Einlage mit einge schäumt werden.Such foam moldings are used in particular as internal parts in motor vehicles, for example as instrument panels, airbags covers, upholstery etc., use. To make the ever because foam molding is usually first a Leather dress sewn together from individual leather sections. The Seams are then cut individually using appropriate sealing sheets sealed so that when the leather is later foamed no foam is pressed through the seams. Then The leather dress is embossed, the embossed leather dress in the foam mold inserted, with an adhesive tape on the edge sealed and then foamed. If necessary, Increase the stability of the molding with an insert be foamed.
Nachteilig ist bei diesem bekannten Verfahren der hohe Auf wand, der sowohl mit dem Abdichten der einzelnen Nähte als auch mit dem Abdichten des Lederrandes in der Schäumform verbunden ist. Außerdem besitzt das jeweilige Lederkleid häufig nicht überall die gleiche Wandstärke, so daß der Schaum in einzelnen Bereichen des Lederkleides durch dieses hindurchschimmern kann und zu einem unerwünschten Helligkeitsmuster führt. The disadvantage of this known method is the high up wall that seals both the seams as well associated with sealing the leather edge in the foam mold is. In addition, the respective leather dress often does not have everywhere the same wall thickness, so that the foam in individual Areas of the leather dress can shimmer through this and leads to an undesirable brightness pattern.
Aus der US 4,758,294 ist ein gattungsgemäßes Verfahren zur Herstellung eines Schaumstückes bekannt, bei dem die äußere Abdeckung aus einzelnen Teilen zusammengenäht ist. Vor der Hinterschäumung der Abdeckung wird diese mittels eines ent sprechenden Formwerkzeuges geprägt, dann gegebenenfalls auf ein neues Formwerkzeug gespannt und mit einer die Verbindungsnähte überdeckenden Folie verbunden. Hierzu ist die Folie mit einer Heißklebeschicht versehen und wird nach Erwärmung durch ein im Inneren der Form erzeugtes Vakuum an die Abdeckung herange saugt.From US 4,758,294 a generic method for Production of a piece of foam known in which the outer Cover is sewn together from individual parts. Before the Back-foaming the cover is done using an ent embossed molding tool, then optionally on a new molding tool clamped and with one of the connecting seams covering foil connected. For this, the film is covered with a Hot glue layer is provided and is heated by an im Vacuum created inside the mold to the cover sucks.
Dieses bekannte Verfahren weist zwar den Vorteil auf, daß ein separates Abkleben der einzelnen Nähte der Abdeckung entfällt, doch ist das Verfahren relativ aufwendig, weil zunächst die hinsichtlich ihrer Form fertige Abdeckung hergestellt werden muß, bevor die Folie aufgebracht wird. Außerdem müssen das Ab deckmaterial und die Nahtabmessungen derart gewählt werden, daß ein ausreichender Andruck bei der Erzeugung des Vakuums ent steht. Schließlich muß zum Hinterschäumen die mit der Kunst stoffolie versehene Abdeckung umgestülpt werden.This known method has the advantage that a separate masking of the individual seams of the cover is not necessary, however, the process is relatively complex, because initially the finished cover are produced in terms of their shape must before the film is applied. In addition, the Ab cover material and the seam dimensions are chosen such that sufficient pressure when creating the vacuum ent stands. After all, to back-foam the one with art cover provided with a plastic film.
Der Erfindung liegt die Aufgabe zugrunde, ein einfaches und kostengünstiges Verfahren zur Herstellung eines Schaum-Form stückes anzugeben, bei dem das zeitaufwendige Abkleben der Ledernähte entfallen kann.The invention has for its object a simple and Inexpensive method of making a foam mold piece, where the time-consuming masking of the Leather seams can be omitted.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. Eine besonders vorteilhafte Ausge staltungen der Erfindung offenbart der Unteranspruch.This task is due to the characteristics of claim 1 solved. A particularly advantageous Ausge Events of the invention are disclosed in the subclaim.
Als vorteilhaft hat es sich erwiesen, wenn die Folie derart gewählt wird, daß sie sich bis zu dem Rand des Lederkleides erstreckt, weil in diesem Fall zur Abdichtung der Schäumform auf ein zusätzliches Klebeband verzichtet werden kann und das Abdichten durch die Folie mit übernommen wird. It has proven to be advantageous if the film in this way is chosen so that it extends to the edge of the leather dress extends because in this case to seal the foam mold an additional adhesive tape can be dispensed with and that Sealing is taken over with the film.
Schließlich kann auf einfache Weise durch die Wahl der Wand stärke der Folie und durch seine Farbgebung vermieden werden, daß nach dem Hinterschäumen des Lederkleides der Schaum an den Stellen, an denen das Lederkleid eine geringe Wandstärke aufweist, durch das Leder hindurchschimmert.Finally, it can be done easily by choosing the wall thickness of the film and its coloring can be avoided, that after foaming the leather dress the foam on the places where the leather dress has a thin wall has shimmering through the leather.
Als Folienmaterial hat sich vor allem Polyurethan bewährt. Die Wandstärke der Folie sollte mindestens 0,03 mm betragen.Polyurethane in particular has proven itself as a film material. The wall thickness of the film should be at least 0.03 mm.
Die Erfindung wird anhand des in den Fig. 1 und 2 dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:The invention is explained in more detail with reference to the embodiment shown in FIGS. 1 and 2. Show it:
Fig. 1 ein Blockdiagramm, mit Hilfe dessen die einzelnen Ver fahrensschritte zur Herstellung eines erfindungsgemäßen Schaum-Formstückes erläutert werden und Fig. 1 is a block diagram with the help of which the individual process steps for producing a foam molding according to the invention are explained and
Fig. 2 den Querschnitt eines erfindungsgemäßen Schaum-Form stückes. Fig. 2 shows the cross section of a foam molding according to the invention.
In Fig. 1 ist mit 1 ein erster Verfahrensschritt gekennzeich net, bei dem ein Lederkleid vorgegebener Größe aus einzelnen Lederteilen zusammengenäht und mit einer Klebeschicht verse hen wird. Gleichzeitig wird eine Folie vorbereitet, die den Abmessungen des Lederkleides entspricht.In Fig. 1, 1 denotes a first process step, in which a leather dress of a predetermined size is sewn together from individual leather parts and provided with an adhesive layer. At the same time, a film is prepared that corresponds to the dimensions of the leather dress.
Während des mit 2 bezeichneten Verfahrensschrittes wird die Folie bei dem Prägevorgang des Lederkleides auf das Leder kleid kaschiert. Hierzu wird die Folie in eine entsprechende Prägevorrichtung eingebracht, das mit dem Kleber beschichtete Lederkleid auf die Folie gelegt und beide Teile zusammen in erhitztem Zustand in an sich bekannter Weise geprägt.During the process step denoted by 2 , the film is laminated onto the leather dress during the embossing process of the leather dress. For this purpose, the film is introduced into a corresponding embossing device, the leather dress coated with the adhesive is placed on the film and both parts are embossed together in a known manner in the heated state.
Schließlich wird in dem mit 3 bezeichneten Verfahrensschritt das geprägte Lederkleid in eine Schäumform eingelegt und hinterschäumt, wobei zur Verstärkung des Formstückes eine Einlage miteingeschäumt wird.Finally, in the process step denoted by 3 , the embossed leather dress is placed in a foam mold and back-foamed, an insert being foamed in to reinforce the molded piece.
In Fig. 2 ist der Querschnitt eines Teiles eines derart herge stellten Schaum-Formstückes wiedergegeben, welches mit dem Bezugszeichen 4 versehen ist. Es besteht aus einem geprägten Lederkleid 5, welches aus zwei einzelnen Lederteilen 6, 7 zusammengenäht ist. Die entsprechende Naht ist dabei mit 8 bezeichnet. An das Lederkleid 5 schließt erfindungsgemäß eine Kunststoffolie 9 an, die auf ihrer dem Lederkleid 5 abge wandten Seite mit einer Schaumschicht 10 in Berührung steht und in der sich eine Einlage 11 befindet.In Fig. 2, the cross section of a part of a Herge provided foam molding is shown, which is provided with the reference numeral 4 . It consists of an embossed leather dress 5 , which is sewn together from two individual leather parts 6 , 7 . The corresponding seam is designated 8 . To the leather dress 5 includes according to the invention to a plastic film 9, the abge on its side facing the leather dress 5 communicates with a foam layer 10 into contact and an insert located in the eleventh
BezugszeichenlisteReference list
1-3 Verfahrensschritte
4 Schaum-Formstück
5 Lederkleid
6, 7 Lederteile
8 Naht
9 Kunststoffolie
10 Schaumschicht
11 Einlage. 1-3 process steps
4 foam molding
5 leather dress
6 , 7 leather parts
8 seam
9 plastic film
10 foam layer
11 insert.
Claims (3)
- a) sich das Lederkleid (5) aus einzelnen, miteinander vernähten Lederteilen (6, 7) zusammensetzt,
- b) auf dem Lederkleid (5) zunächst mit Hilfe einer Kle beschicht eine Kunststoffolie (9) durch Kaschieren befestigt wird, die die Nähte (8) des Lederkleides (5) überdeckt und
- c) das Lederkleid (5) mit Kunststoffolie (9) dann auf der der Kunststoffolie (9) zugewandten Seite hinter schäumt wird,
- a) the leather dress ( 5 ) is composed of individual leather parts ( 6 , 7 ) sewn together,
- b) on the leather dress ( 5 ) first with the help of an adhesive coating a plastic film ( 9 ) is attached by lamination, which covers the seams ( 8 ) of the leather dress ( 5 ) and
- c) the leather dress ( 5 ) with plastic film ( 9 ) is then foamed behind on the side facing the plastic film ( 9 ),
- d) die Folie (9) auf das Formwerkzeug der entsprechen den Prägevorrichtung gelegt wird,
- e) auf das Lederkleid (5) eine Klebeschicht aufgebracht wird,
- f) das mit der Klebeschicht versehene Lederkleid (5) auf die Folie (9) gelegt wird und
- g) das Lederkleid (5) geprägt und gleichzeitig die Folie (9) durch Kaschieren auf dem Lederkleid (5) befestigt wird.
- d) the film ( 9 ) is placed on the mold of the corresponding embossing device,
- e) an adhesive layer is applied to the leather dress ( 5 ),
- f) the leather dress ( 5 ) provided with the adhesive layer is placed on the film ( 9 ) and
- g) the leather dress ( 5 ) is embossed and at the same time the film ( 9 ) is attached to the leather dress ( 5 ) by lamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19533367A DE19533367C2 (en) | 1995-09-09 | 1995-09-09 | Process for producing a foam molding, which is provided with an embossed leather dress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19533367A DE19533367C2 (en) | 1995-09-09 | 1995-09-09 | Process for producing a foam molding, which is provided with an embossed leather dress |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE19533367A1 DE19533367A1 (en) | 1997-03-13 |
| DE19533367C2 true DE19533367C2 (en) | 1997-08-28 |
Family
ID=7771700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19533367A Expired - Fee Related DE19533367C2 (en) | 1995-09-09 | 1995-09-09 | Process for producing a foam molding, which is provided with an embossed leather dress |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE19533367C2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19801651A1 (en) * | 1998-01-15 | 1999-07-22 | Bayerische Motoren Werke Ag | Process for laminating a plastic film on the back of a decorative material to be back-foamed afterwards |
| DE19961314A1 (en) * | 1999-12-18 | 2001-06-21 | Bayerische Motoren Werke Ag | Barrier layer formation, for foam backed leather trim in cars, involves spraying polyurethane binder on the flesh side followed by drying and pressing |
| DE102013019334A1 (en) * | 2013-11-20 | 2015-05-21 | Lisa Dräxlmaier GmbH | Decorative layer for a paneling part |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19708486A1 (en) * | 1997-03-03 | 1998-09-10 | Bayerische Motoren Werke Ag | Vehicle interior trim part consisting of at least one carrier layer, a haptic intermediate layer and a decorative layer |
| DE19752058A1 (en) * | 1997-11-25 | 1999-05-27 | Bayerische Motoren Werke Ag | Method of back-foaming automobile leather section with capping seam |
| DE19855277C2 (en) * | 1998-11-25 | 2002-04-18 | Sommer Allibert Lignotock Gmbh | Interior trim part for motor vehicles and method for the production thereof |
| DE10126702B4 (en) * | 2001-05-31 | 2005-08-18 | Carl Freudenberg Kg | Process for the production of interior trim parts |
| DE10126703B4 (en) * | 2001-05-31 | 2005-07-28 | Carl Freudenberg Kg | Process for the production of interior trim parts |
| DE10319422B4 (en) * | 2003-04-29 | 2014-05-22 | Volkswagen Ag | Method for producing an interior lining of a motor vehicle |
| FR2882959B1 (en) * | 2005-03-14 | 2007-05-11 | Faurecia Interieur Ind Snc | PROCESS FOR MANUFACTURING ARTICLES AND ARTICLES OF LEATHER SKIN CLOTHING |
| PT2117881E (en) | 2007-02-13 | 2010-12-23 | Johnson Contr Interiors Gmbh | Thermoplastic film for airbag covers |
| FR2912704A1 (en) * | 2007-02-20 | 2008-08-22 | Cera | Trim element body cover for seat of motor vehicle, has internal face coated by continuous flexible sub-layer at level of sewing areas, where flexible sub-layer is sealed with precursor mixture of foam |
| FR3037847B1 (en) * | 2015-06-29 | 2018-01-12 | Faurecia Sieges D'automobile | HOT REALIZATION OF A COIFFE FOR A SEAT ELEMENT FOR A MOTOR VEHICLE |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207078B (en) * | 1987-07-10 | 1990-03-07 | Grammer Sitzsysteme Gmbh | Process for the production of a foam backed article |
-
1995
- 1995-09-09 DE DE19533367A patent/DE19533367C2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19801651A1 (en) * | 1998-01-15 | 1999-07-22 | Bayerische Motoren Werke Ag | Process for laminating a plastic film on the back of a decorative material to be back-foamed afterwards |
| DE19961314A1 (en) * | 1999-12-18 | 2001-06-21 | Bayerische Motoren Werke Ag | Barrier layer formation, for foam backed leather trim in cars, involves spraying polyurethane binder on the flesh side followed by drying and pressing |
| DE19961314B4 (en) * | 1999-12-18 | 2004-05-19 | Bayerische Motoren Werke Ag | Manufacturing process for a vehicle interior part with a foam-backed leather cover |
| DE102013019334A1 (en) * | 2013-11-20 | 2015-05-21 | Lisa Dräxlmaier GmbH | Decorative layer for a paneling part |
| DE102013019334B4 (en) | 2013-11-20 | 2018-10-04 | Lisa Dräxlmaier GmbH | Decorative layer for a trim part and method for producing the decorative layer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19533367A1 (en) | 1997-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MAGNA INTERIOR SYSTEMS GMBH, 94315 STRAUBING, DE |
|
| 8339 | Ceased/non-payment of the annual fee |