Rotary filament feeder
US4221345A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 1978 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | May 1, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/31
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Devices and processes for feeding freshly spun and/or stretched filaments, which are delivered to the devices at more than 1000 meters/min., in helices to a receptacle, said devices embodying a rotating member with curvate passage extending from its upper inlet, which lies in the axis of rotation, to its outlet opening at a radial and axial spacing from the inlet, the axis of the outlet opening facing opposite to the direction of orbit thereof and the tangent of the passage's radially outer wall surface contiguous to said outlet opening forming an angle between 30.degree. and 80.degree. with reference to the radius, drawn through the outlet opening, of the circle of rotation of the outlet opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.