Flexible bottles of polyester resin
US7226648B2 · kind B2 · utility
17Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2002 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Mar 7, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Flexible, liquid fillable bottles of polyester resin are provided which have a capacity in liters relative to the weight thereof in grams excluding the neck of from 0.15 to 0.5 and from 0.2 to 1.5 for larger capacities. The bottles are obtained by blowing parisons freely or in a rigid container, the shape of which the bottles assume, said parisons being of polyester resin with suitable rheological properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.