Cooling tube with a low friction coating
US7264464B2 · kind B2 · utility
3Cited by
36References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2003 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Mar 20, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/253
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An intimate fit preform cooling tube with an inner mating surface that includes a polymeric coating to increase its lubricity and thereby reduce friction with a preform to be engaged therewith. The cooling tube of the present invention substantially reduces or eliminates preform ovality and gate stretching problems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.