Automatic frame bending machine for bending of steel rods or band steel
US5136867A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 22, 1990 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Jan 22, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21F33/025
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An automatic frame bending machine is disclosed for bending off rod steel or steel bands, and a process and device for producing spring mattresses. The purpose of the invention is to design a frame bending machine with which frames of the most diverse types can be automatically produced without risk of material losses or of deforming the frames. The frame bending machine should also be easy to integrate in an assembly line. For this purpose, a spool is provided, after which the steel passes through a wire straightener composed of a rotor and rollers, measurement and traction rollers linked to the bending device, cutting means and a centering metal sheet. Hydraulic motors controlled by a microprocessor from a control panel are provided for driving and bending.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.