Hollow body made of an oriented thermoplastic
US4276987A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 18, 1980 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Jan 18, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D1/0276
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Hollow body made of an oriented thermoplastic, such as bottles, the base of which comprises a central part 4 in the form of an inset dome, which central part is joined to the side wall 2 by means of a peripheral arched moulding 3, in which hollow body the central part is provided with a plurality of hollow protuberances 6 which project outwards from the hollow body and are distributed around its longitudinal axis C-C', the protuberances 6 having the appearance of cones, the rounded vertices of which are separated from the longitudinal axis of the hollow body by a distance which is equal to at most 60% of the external diameter of the neck of the hollow body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.