Load carrying apparatus and method of manufacture
US9138945B2 · kind B2 · utility
11Cited by
45References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2006 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Apr 26, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2519/00567
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A polymeric load carrying apparatus (10) and method of manufacture is disclosed. The apparatus comprises an outer shell composition and a filled inner core composition within the outer shell composition. The outer shell composition comprises less than 10% filler, and preferably substantially no filler, by weight, and the inner core composition comprises more than 15% filler, and preferably at least 40% filler, by weight. The filler is preferably a mineral sand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.