Moulding apparatus
US4179093A · kind A · utility
Inventor
Key dates
| Filing date | Sep 1, 1978 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Sep 1, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/307
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Moulding apparatus for moulding an open-top bowl-like shell, such as a boat hull, comprising: PA1 (a) a flexible form layer adapted to form a moulding face for the shell, PA1 (b) template means defining an edge around a curved part of the shell, and PA1 (c) containment means adapted to form together with the form layer a fluid tight container, the arrangement being characterized by the provision within the container of further template means corresponding in shape to a contour or surface portion of the curved part of the shell, the form layer being drawn down to overlie and be supported by the further template means when the container is evacuated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.