Device for blow-molding or blow-drawing of thermoplastic containers
US7249944B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2003 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Aug 27, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2949/0715
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A device for blow molding or blow drawing of containers made of thermoplastic performs. The molding device is movable, mainly rotatable and includes at least one wallet-type mold provided with two mold-halves rotatable with respect to each other around an axis; two links which are connected to each other by one of the extremities thereof with the aid of a first pivot pin and pivotally connected to two mold-halves by the other extremities thereof on both sides of the common pivoting axis thereof; actuation devices which are connected to the first pivot pin and provided with at least one cam follower interacting with at least one respective fixed cam so that the first pivot pin is moved in a direction toward the mold or away therefrom, thereby opening or closing the mold. A compensating device acts so that at least one cam follower permanently contacts the respective cam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.