Apparatus and method for the application of a plastic liner to a flanged pipe elbow
US4765938A · kind A · utility
8Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1987 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | Feb 25, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection molding apparatus is used to line flanged pipe elbows. The pipe elbow is clamped by the flanges to two pivotted platens, one of which has a curved mandrel to shape the inside of the elbow lining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.