Roving cutter
US4001935A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1975 |
| Grant date | Jan 11, 1977 |
| Priority date | — |
| Expiry date | Jun 12, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/7747
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A light weight, compact roving cutter for chopping fiberglass roving into short fiber segments, and used in conjunction with a hand-held resin spray gun, has a mounting plate containing an air inlet port for driving an air motor carried thereon, a snap-on cutter rotor or roller driven by the air motor and carrying a plurality of blades secured by single fastening means, a friction roller cooperable with the cutter roller and blades thereof for breaking or cutting the roving, means accessible to the operator for adjusting the clearance between the rollers and the contact of the friction roller with the blades while the cutter is operating, and means for matching the discharge pattern of the cut segments of roving to the spray pattern of the resin spray gun, including air jet means supplied with pressurized air separate from that supplied to the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.