Blow moulding or stretch-blow moulding device and method for manufacturing containers using clamping means suitable for supporting a blank by its neck
US7998396B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2008 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Apr 2, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2067/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a blowing or stretch-blowing device (1) for making vessels from thermoplastic blanks with a collar, that comprises a blowing nozzle (3) mobile between an upper position and a lower position for blowing a pressurised fluid into a blank having a body provided in the moulding cavity of a mould and having a collar protruding outside the mould, the device includes a clamping means (4) provided above the mould and capable of holding a blank by the collar thereof, a holding means (20, 21) for the clamping means for moving the same between two raised or lowered positions, wherein at least one branch (7, 8) of the clamping means being transversally mobile; mechanical coupling means (5) provided between the clamping means and the blowing nozzle and capable of synchronising the movements of the clamping means with the movement of the blowing nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.