Plastic pallet
US5417167A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1993 |
| Grant date | May 23, 1995 |
| Priority date | — |
| Expiry date | Mar 3, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S108/902
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A shipping pallet of the type usually manufactured from wood is made of hollow plastic stringers and deck boards. The stringers and deck boards are made of plastic materials which may be either virgin plastic, recycled plastics or mixes. The stringers and deck boards are hollow but have closed ends to prevent entry of dirt, fluids, insects and vermin. The stringers and deck boards may be made in a blow molding process or using continuous extrusion and molding processes similar to that used in the manufacture of corrugated pipe. Various connection configurations for affixing the deck boards to the stringers are described including fixation by screws as well as interlocking connections between the plastic parts themselves and the use of separate interlocking components which engage the deck board and stringers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.