Apparatus for preparing a hollow plastic article
US5238389A · kind A · utility
11Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Aug 24, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/812
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a blow mold for forming a hollow plastic article from a parison including at least two relatively reciprocable mold portions which form a mold cavity therebetween having a shape of the desired hollow plastic article, and a toggle mechanism for relatively moving the mold portions from a first open position to a second position wherein the mold portions are in contacting relationship to a third position wherein the mold portions are spaced apart to form a controlled vent therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.