# US 9,873,215 B2 · Apparatus for manufacturing crash pad

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- Number: US 9,873,215 B2
- Document ID: US9873215B2
- Status: Granted
- Kind: B2
- Application number: 14/955,890
- Filed: 2015-12-01
- Published: 2016-09-15
- Granted: 2018-01-23
- Earliest claimed: 2015-03-10
- Assignees: Hyundai Motor Company; Kia Motors Corporation
- Applicants: Hyundai Motor Company; Kia Motors Corporation
- Inventors: Byung-Seok Kong
- Web page: https://patentgrep.com/patent/US9873215B2

## CPC

- B29C 44/1233: {the preformed parts being supported during expanding}
- B29C 44/1252: {Removing portions of the preformed parts after the moulding step}
- B29C 44/1257: {Joining a preformed part and a lining, e.g. around the edges}
- B29C 45/1628: {using a mould carrier rotatable about an axis perpendicular to the opening and closing axis of the moulding stations}
- B29C 45/1671: {with an insert}
- B29C 69/02: of moulding techniques only
- B29C 44/02: for articles of definite length, i.e. discrete articles
- B29C 44/08: using several expanding {or moulding} steps
- B29C 44/146: {Shaping the lining before foaming}
- B29C 44/5627: {by mechanical deformation, e.g. crushing, embossing, stretching}
- B29C 45/14221: {by tools, e.g. cutting means}
- B29C 69/001: {a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts (for reinforced material B29C70/545; B29C49/4278, B29C51/268 take precedence)}
- B29K 2075/00: Use of {PU, i.e.} polyureas or polyurethanes {or derivatives thereof}, as moulding material
- B29K 2105/04: cellular or porous
- 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)
- B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES

## Abstract

An apparatus includes a first mold having an injection cavity at a side thereof, for molding of a substrate, a second mold having two injection cores and two skin shaping plugs, and a third mold having a foaming section where a foaming material is injected between a substrate and a skin, and a skin shaping section where embossing is carried out on a skin, wherein, under the condition that the first mold, second mold and third mold are simultaneously closed to one another, a substrate is molded by the injection cavity and a first injection core, embossing is carried out on a skin by one skin shaping plug and the skin shaping section, and, at a same time, the foaming material is injected between a previously molded substrate and a previously embossed skin by a second injection core and foaming section.

## Claims

### Claim 1

An apparatus for manufacturing a crash pad, comprising:
a first mold formed with an injection cavity therein, for molding of a substrate;
a second mold provided, at a lower portion thereof, with a pair of injection cores while having, at an upper portion thereof, with a pair of skin shaping plugs, the second mold being rotatable about a longitudinal axis thereof by a rotating structure; and
a third mold having, at a lower portion thereof, a foaming section in which a foam is formed between a substrate and a skin through injection of a foaming material while having, at an upper portion thereof, a skin shaping section in which embossing is carried out on a surface of a skin, the third mold performing an operation of feeding the skin embossed by the skin shaping section,
wherein, under a condition that the first mold, the second mold and the third mold are simultaneously closed to one another, a substrate is molded by the injection cavity of the first mold and a first injection core of the second mold, embossing is carried out on a skin by one skin shaping plug of the second mold and the skin shaping section of the third mold, and the foaming material is injected between the molded substrate and the embossed skin by a second injection core of the second mold and the foaming section of the third mold, thereby manufacturing a crash pad.

### Claim 2 (depends on 1)

The apparatus according to claim 1, wherein a foaming material mixing head is mounted to the third mold, to inject the foaming material.