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US 2013/0020742 A1Published application
Blow moulding machine and method of blow moulding
AssigneePro Technical Plastic Manufacturing Solutions Pty Ltd
InventorStephen Barter
Life of this patent
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Abstract
A blow moulding machine is disclosed including at least one extrusion head for forming parisons; a mould for forming articles from the parisons, the mould including at least one mould cavity, an arrangement of blow pins for blowing the parisons in the mould to form articles; and wherein the mould is moveable with respect to the arrangement of blow pins and wherein two blow pins are provided for each mould cavity.
Claims7
A blow moulding machine comprising:
- at least one extrusion head for forming parisons;
- a mould for forming articles from the parisons, the mould comprising at least one mould cavity,
- an arrangement of blow pins for blowing the parisons in the mould to form articles;
- and
- wherein the mould is moveable with respect to the arrangement of blow pins and wherein two blow pins are provided for each mould cavity.
2 more elements
A method of forming articles by blow moulding comprising the steps of:
- forming a first parison with an extrusion head;
- blowing the first parison with a first blow pin to form a first article in a mould cavity;
- at least partially forming a second parison by way of the extrusion head;
- separating the mould cavity from the first article;
- surrounding the second parison with the mould cavity;
- and
- blowing the second parison with a second blowpin to form a second article in the mould cavity.
4 more elements
A sub-assembly for use in association with a blow moulding machine comprising:
- a body which is arranged to be mounted to a blow moulding machine;
- a shuttle which is provided with at least two blowpins;
- the shuttle is moveably mounted to the body to allow the shuttle to reciprocate between first and second positions with respect to the body.
Dependencies are inferred from the claim text.