Elastic waistband attachment system
US5743202A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1995 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Nov 13, 2015 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B41/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A looped elastic waistband (14) is positioned along a circular sewing path (12) with the waist edge (21) of a pair of pants (12) in straddling relationship thereover. The garment parts are advanced past a folding assembly (61), which folds the waist edge (21) of the pants (16) over the waistband (14), and past sewing needles (13) that form lines of stitching along the aligned edges of the pants (16) and waistband (14) and through the folded portion (22) of the pants waist (19). In the meantime, the position of the waist edge (21) of the pants (16) over the waistband (14) is adjusted in response to position the waist edges (21) as detected by body edge sensor (13) which controls the reciprocation of a pair of drive wheels (87 and 88) of an edge guide assembly (86) which engage and urge the waist edge (21) of the pants (16) across from the sewing path (12). An expansion roller assembly (62) maintains tension in the waistband (14) and the waist edge (20) of the pants (16) during a sewing operation, and is pivotable to equalize tension in the waistband (14) and pants (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.