Electric drive for blow molding head
US5851570A · kind A · utility
Inventor
Key dates
| Filing date | Jun 12, 1997 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Jun 12, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C49/041
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An electric drive for controlling the die gap in a continuous blow molding head and the die gap and pushout in an accumulator blow molding head. The electric drive includes a programming screw for attachment to a programming rod for setting the die gap, a programming nut and an electric motor for rotating the programming nut. In an accumulator blow molding head, the electric drive further includes a shooting screw for attachment to a shooting rod for controlling pushout, a shooting nut and an electric motor for rotating the shooting nut. The programming screw and the shooting screw are coaxial with the programming rod passing through the shooting screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.