Treadmill belt with layer of thermoplastic foamed material
US9012341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2008 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Dec 2, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3366
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Continuous treadmill belt comprising a continuous first foamed layer (11, 12, 13, 14, 15, 16, 17, 18) made of thermoplastic foamed material, with an upper side (25, 26) and an under side (34, 35, 36), wherein a first pulling body (41, 42, 43, 44, 46, 47, 48) is arranged on the under side (34, 35, 36) and comprises a first textile layer and a pulling body under side (54, 56, 58), and wherein no layer is arranged between the continuous foamed first layer (11, 12, 13, 14, 15, 16, 17, 18) and the first pulling body (41, 42, 43, 44, 46, 47, 48), which hinders a local shearing displacement of the first pulling body (41, 42, 43, 44, 46, 47, 48) parallel to the under side (34, 35, 36) or stiffens said pulling body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.