Retainer ring for welding wire container disclosure
US5277314A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1993 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Jan 19, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H57/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A retainer ring for a container of low twist welding wire which container includes a cylindrical outer wall, a lower partition and an upper opening through which the welding wire is drawn from a hollow, cylindrical spool of welding wire formed from a multitude of convolutions of wire in layers provided in the container wherein the retainer ring comprises a generally flat outer portion with an outer periphery fitting into the outer wall of the container, minimally contacting the wire surface, and comprising a number of projecting lobe portions whereby the outer periphery of the ring contains alternate areas first being closer to and then being farther from the outer walls of the container when the retainer ring is resting upon the hollow spool of welding wire in the container and an inner bell mouthed portion extending upwardly and defining an innermost wire extraction opening with a diameter substantially smaller than the spool of wire in the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.