Method for working on woven fabric wound on a supply roll
US4700598A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 16, 1986 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | May 16, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/896
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Programmable apparatus for cutting woven fabric wound on a supply roll includes a fabric spreader which pays-off fabric from the supply roll and onto a cutting table as the spreader moves relative to the table. A vibrating member carried by the fabric spreader and over which the payed-off fabric is constrained to pass imparts vibration to a portion of the fabric which extends across the entire width of the fabric to relieve residual stresses within the fabric as it is spread onto the table surface. The spread fabric is immediately cut by a rotary cutting wheel which moves in cutting engagement with the fabric in response to command signals received from a programmable controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.