Oriented plastic container
US4715504A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Sep 25, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2995/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A preform for making oriented plastic containers wherein the preform is first formed and thereafter reheated to an orientation temperature range and blown to final container shape comprising an open ended finish part made of a first plastic material, and an elongated main hollow body of orientable strain-hardenable thermoplastic material molded and bonded in situ on the open ended finish. The hollow body includes a main container body forming portion and a bottom container forming portion closing the open end of the main body forming portion. The main body has a portion projecting axially within the open end of the finish terminating in a spaced relationship to the open free end of the finish and interlocked with the finish part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.