Automatic sewing apparatus for air cushions
US4253413A · kind A · utility
1Cited by
7References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1979 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Jul 25, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2505/124
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An automatic sewing apparatus for air cushions that includes a carriage having four circular tables that are sequentially movable to a plurality of circumferentially spaced work stations for receiving a pair of circular sheets of fabric and for sewing the peripheral portion thereof. Each table is combined with a circular cover that pivots into engagement with the sheets of fabric located on the associated table so as to maintain the sheets in position while the peripheral portion is being sewn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.