Shipping container
US3999661A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1975 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Apr 14, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/921
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container which is especially adapted for packaging products for shipment and a method of vacuum forming the same, as an integral unit, from sheet or web stock of a continuous plastic material so as to provide integrally connected wall sections which are adapted to hinge to product enclosing position and to support the product or a group of products in an inner portion of the double walled container, the contour of the inner walls being drawn, if desired, to conform to the contour of the product or products to be enclosed and there being spaced rib formations interposed between the walls of the inner container and the outer container which are drawn integrally with the inner or outer wall members and which serve to support the product containing portion of the inner container in spaced relation within the outer container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.