Slide fastener
US10362839B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2017 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Oct 16, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA44B19/32
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A fastening device includes a first tape portion and a first fastening portion joined thereto, the first fastening portion defining a first side surface and a second side surface opposite thereto, the first fastening portion including a plurality of fastening elements extending from the first side surface, the plurality of fastening elements arranged lengthwise along a lengthwise direction of the fastening device, each adjacent pair of fastening elements offset by a pitch distance and defining a fastening gap therebetween, each of the plurality of fastening elements including an engagement portion extending in a direction parallel to the lengthwise direction, each of the plurality of fastening elements being asymmetric about a protrusional centerline of the fastening element, the fastening device being a first fastening device configured to be joined to a second fastening device comprising a second fastening portion having the same geometry as the first fastening portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.