Method and apparatus for plastic duct bank manufacture
US12385579B2 · kind B2 · utility
0Cited by
24References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 2020 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Jun 13, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53657
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for manufacturing a duct bank comprising the steps of loading a frame with a series of templates, positioning the frame adjacent a pipe extruder, aligning a set of a plurality of holes with a die of the pipe extruder, extruding a pipe of a first length into the set of holes, repeating the steps of aligning and extruding for each set of holes, thereby forming the duct bank, banding the duct bank, and removing the duct bank from the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.