Apparatus for wrapping conduit with sheet material
US4426834A · kind A · utility
Inventors
Key dates
| Filing date | Dec 14, 1981 |
| Grant date | Jan 24, 1984 |
| Priority date | — |
| Expiry date | Dec 14, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H81/08
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus is disclosed for wrapping strips of sheet material in tape form around a pipe or conduit having a generally circular cross-sectional external shape. The apparatus includes a frame assembly having a pair of annular frame members connected by a desired number of frame cross members for structural support, each frame member being hinged to open around a conduit; a guide roller assembly including a plurality of drive wheels angularly adjustable with respect to the conduit being wrapped to vary the angle of the drive rollers with respect to the conduit being wrapped for varying the amount of sheet material overlap; a plurality of support rollers connected to the frame; a sheet material feeding assembly; a sheet material tensioning assembly; and a tape backing material take off assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.