Mold-in touch fastener systems with wave-shaped wall
US9635910B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2015 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Sep 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA44B18/0076
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A touch fastener strip includes a pair of longitudinal barrier walls each extending upward from a base, a plurality of lateral barrier walls each extending upward from the base and between facing surfaces of the barrier walls, thereby defining one or more fastening cells, and a pair of wave walls each extending upward from the base and outboard the barrier walls thereby defining a relief space. Each wave wall has a wave shape having rising and falling edges, at least one of the edges having a slope in the range of 3° to 65°. In some cases, the wave shape has a duty cycle of 40% to 60%, and may include a sine wave, a triangle wave, a ramp wave, and/or a bi-modal wave having two different peak points in a given cycle of the shape. In one example application, the strip may be anchored in a foam cushion product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.