# US 2004/0151797 A1 · System for actuating a two part mould forming two mutually articulated half-moulds

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- Number: US 2004/0151797 A1
- Document ID: US20040151797A1
- Status: Published application
- Kind: A1
- Application number: 10/478,304
- Filed: 2003-12-03
- Published: 2004-08-05
- Earliest claimed: 2001-06-08
- Assignees: Ads
- Inventors: Claude Mue; Patrick Trassard; Luc Dorin
- Web page: https://patentgrep.com/patent/US20040151797A1

## CPC

- B29C 49/5602: {using cams}
- B29C 33/26: by pivotal movement
- B29C 33/36: continuously movable {in one direction, e.g. in a closed circuit (B29C49/0021 takes precedence)}
- B29C 49/06: Injection blow-moulding
- B29C 49/36: rotatable about one axis
- B29C 49/42095: {Rotating wheels or stars}
- B29C 49/42117: {Translation e.g. telescopic movement to pick up a preform}
- B29C 2049/5636: {using closing means as clamping means}
- B29C 2949/0715: the preform having one end closed
- B29K 2067/00: Use of polyesters {or derivatives thereof}, as moulding material
- 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

## Abstract

The invention concerns a system for actuating a two-part mould (1) forming two half-moulds (1, 1) mutually articulated about a shaft (2) forming a hinge and driven, between an opening position and a closing position, by a translational carriage (7) driven in a reciprocating movement. The inventive system is particularly characterised in that each half-mould (1, 1) is further articulated on a part (4a, 4b) which pivots about a shaft (5a, 5b) and which is driven in rotation by at least an actuating link rod (6a, 6b) articulated through its ends respectively to said pivoting part (4a, 4b) and to said translational carriage (7).

## Claims

### Claim 1

Actuation system for a mould (1) in two parts forming two half-moulds (1′,1″) articulated to each other about an axis (2) forming a hinge and controlled between an open position and a closed position through a translation carriage (7) moved in a forward-backward movement, characterized in that each half-mould (1′, 1″) is also articulated on a part (4a, 4b) that pivots around an axis (5a, 5b) and that is moved in rotation by at least one actuation rod (6a, 6b) articulated by its ends to the said pivoting part (4a, 4b) and the said translation carriage (7) respectively.

### Claim 2 (depends on 1)

Actuation system according to claim 1, characterized in that each half-mould (1′, 1″) is articulated to the pivoting part (4a, 4b) by means of at least one connecting rod (3a, 3b).

### Claim 3 (depends on 1, 2)

Actuation system according to any one of claims 1 and 2, characterized in that the actuation rods (6a, 6b) of the pivoting parts (4a, 4b) of the half-moulds (1′, 1″) are articulated on a common translation carriage (7).

### Claim 4 (depends on 3)

Actuation system according to claim 3, characterized in that the translation carriage (7) is composed of a cross piece that is installed free to slide on at least two rails (8a, 8b) and on which the actuation rods (6a, 6b) are articulated.

### Claim 5 (depends on 1, 2, 3, 4)

Actuation system according to one of claims 1 to 4, characterized in that the translation carriage (7) is moved forwards-backwards by at least one roller (12) that cooperates with a cam (13).

### Claim 6 (depends on 5)

Actuation system according to claim 5, characterized in that the roller (12) is arranged on a rod (10) installed free to pivot about an axis (11) fixed with respect to the pivot axes (5a, 5b) of the pivoting parts (4a, 4b) actuating the half-moulds (1′, 1″).

### Claim 7 (depends on 2, 3, 4, 5, 6)

Actuation system according to one of claims 2 to 6, characterized in that in the closed position of the half moulds (1′, 1″), the longitudinal axes of the connecting rods (3a, 3b) installed between the said half-moulds (1′, 1″) and the pivoting parts (4a, 4b) are approximately in line with each other along the line connecting the pivot axes (5a, 5b) of the said pivoting parts (4a, 4b).

### Claim 8 (depends on 1, 2, 3, 4, 5, 6, 7)

Set of moulds (1a, 11) each formed of two half-moulds articulated about an axis forming a hinge and each provided with an actuation system according to any one of claims 1 to 7, characterized in that the moulds (1a, 11) are arranged in a circle or along the arc of a circle and in that the translation carriages are moved by rollers that cooperate with a common cam (13), the said mould being moved relative to the cam (13).

### Claim 9 (depends on 8)

Set of moulds according to claim 8, characterized in that the moulds (1a, 11) are fixed on an element that rotates about the common cam (13) that is fixed in position.