# US 2026/0061675 A1 · Apparatus and method for manufacturing vehicle interior materials

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- Number: US 2026/0061675 A1
- Document ID: US20260061675A1
- Status: Published application
- Kind: A1
- Application number: 19/301,944
- Filed: 2025-08-16
- Published: 2026-03-05
- Earliest claimed: 2024-09-03
- Assignees: Seoyon E-Hwa Co., Ltd.
- Applicants: Seoyon E-Hwa Co., Ltd.
- Inventors: Chiwon YOON
- Web page: https://patentgrep.com/patent/US20260061675A1

## CPC

- B29C 45/14221: {by tools, e.g. cutting means}
- B29C 45/14262: {Clamping or tensioning means for the insert}
- B29C 45/2602: {Mould construction elements}
- B29C 45/561: {Injection-compression moulding}
- B29C 2045/14188: {trimming the article in the mould}
- B29L 2031/3005: {Body finishings}
- 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 (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)
- B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES

## Abstract

A vehicle interior material manufacturing device and a method for manufacturing a vehicle interior material using the same are disclosed. The device includes a first mold on which a Skin is supported, and a second mold configured to be opened and closed with respect to the first mold and on which a Base is supported. The first mold comprises a forming recess recessed on one surface of a first body, and a cutting section provided on both sides of the forming recess on the first body, the cutting section being configured to cut an end portion of the Base supported by the second mold during a mold closing process between the first and second molds.

## Claims

### Claim 1

A vehicle interior material manufacturing device comprising:
a first mold on which a Skin is supported; and
a second mold configured to be opened and closed with respect to the first mold and on which a Base is supported,
wherein the first mold comprises:
a forming recess recessed on one surface of a first body; and
a cutting section provided on both sides of the forming recess on the first body and configured to cut an end portion of the Base supported by the second mold during a closing process of the first and second molds.

### Claim 2 (depends on 1)

The vehicle interior material manufacturing device of claim 1,
wherein the second mold comprises:
a press section protruding from one side of a second body;
a base support on which the Base is seated and supported, and which is movable relative to the press section; and
a spring member elastically supporting the base support on the second body.

### Claim 3 (depends on 1)

The vehicle interior material manufacturing device of claim 1,
wherein the cutting section comprises a cutting knife configured to move up and down from a surface of the first body by driving of a driving cylinder.

### Claim 4 (depends on 3)

The vehicle interior material manufacturing device of claim 3,
wherein when the first mold and the second mold are brought closer for mold closing, the base support and the cutting knife engage to cut an end portion of the Base,
and when the first and second molds are fully closed, the spring member is compressed to move the base support to side portions of the press section.

### Claim 5 (depends on 2)

The vehicle interior material manufacturing device of claim 2,
wherein a portion of the press section is inserted into the forming recess during mold closing of the first and second molds, and a compression molding space for press molding of the Skin and the Base is formed between the forming recess and the press section.

### Claim 6 (depends on 5)

The vehicle interior material manufacturing device of claim 5,
wherein the Base is supported on the base support in a preheated state at 180 to 250℃, and the Skin is bonded to the Base by latent heat of the Base during the press molding process.

### Claim 7 (depends on 5)

The vehicle interior material manufacturing device of claim 5,
wherein the second mold further comprises:
a cavity recessed on a surface of the press section; and
a resin injection section for injecting resin into the cavity.

### Claim 8 (depends on 7)

The vehicle interior material manufacturing device of claim 7,
wherein, when the Base supported on the base support is brought into close contact with the surface of the press section by mold closing of the first and second molds, an injection molding space for resin injection molding is formed between the Base and the cavity.

### Claim 9 (depends on 2)

The vehicle interior material manufacturing device of claim 2,
wherein the second mold further comprises:
a lifting plate provided to be vertically movable within a space formed inside the second body;
pin members fixed on the lifting plate and extending through the second body and the press section; and
a driving unit for vertically moving the lifting plate.

### Claim 10 (depends on 9)

The vehicle interior material manufacturing device of claim 9,
wherein when the first and second molds are opened after the press molding, the pin members are deployed from the press section by elevation of the lifting plate to push a molded article, in which the Base and the Skin are bonded, toward the first mold.

### Claim 11 (depends on 5)

The vehicle interior material manufacturing device of claim 5,
wherein a predetermined pattern is processed on an inner surface of the forming recess, and the pattern is transferred onto a molded product including the Skin and the Base during the press molding process.

### Claim 12

A method of manufacturing a vehicle interior material using a vehicle interior material manufacturing device comprising first and second molds configured to be opened and closed, wherein a forming recess is recessed on one surface of the first mold, a press section is formed to protrude on one side of the second mold corresponding to the forming recess, and the press section is inserted into the forming recess to form a compression molding space, the method comprising:
inserting a Base and a Skin between the first mold and the second mold;
cutting an end portion of the Base by a cutting section provided in the first mold during an approaching process of the first and second molds;
closing the first and second molds;
press molding the Base and the Skin by compression in the compression molding space; and
opening the first and second molds.

### Claim 13 (depends on 12)

The method of claim 12,
wherein the Skin is seated and supported on the first mold, and the Base is seated and supported on the second mold in the inserting step.

### Claim 14 (depends on 13)

The method of claim 13,
wherein the Base is inserted in a preheated state at 180 to 250℃ in the inserting step,
and the Skin is bonded to the Base by latent heat of the Base during the press molding step.

### Claim 15 (depends on 14)

The method of claim 14,
wherein the second mold further comprises a cavity formed in a groove shape on a mold surface and a resin injection section for injecting resin into the cavity,
and in the press molding step, while the Base and the Skin are press molded, molten resin is injected into the cavity for injection molding.

### Claim 16 (depends on 15)

The method of claim 15,
wherein in the press molding step, the molten resin is integrally molded on a rear surface of the Base by the injection molding.

### Claim 17 (depends on 14)

The method of claim 14,
wherein the second mold further comprises pin members configured to be deployed from a mold surface,
and in the opening step, the pin members are deployed from the mold surface of the second mold to push a molded article, in which the Base and the Skin are bonded, toward the first mold for demolding from the second mold.

### Claim 18 (depends on 17)

The method of claim 17,
further comprising a step of extracting the molded article from the first mold.
