Deep-draw thermoforming of thermoplastic sheet
US4059380A · kind A · utility
8Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1976 |
| Grant date | Nov 22, 1977 |
| Priority date | — |
| Expiry date | Aug 26, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C51/32
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus and process for producing hollow articles of thermoplastic sheeting material having large L/D ratios are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.