Large roll support having reinforcement bridges
US6142440A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Mar 25, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/66
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved roll support for stabilizing and storing large rolls of web material. The roll support is preferably an elongated molded pulp member. A roll of web material is generally supported by a roll supporting surface defined by a plurality of support wedges contained on a face side surface of the roll support. Each of the support wedges are spaced apart by generally rectangular depressions formed in the front face surface. A plurality of enlarged sidewall arches are formed in the sidewalls of the roll support. The roll support includes a reinforcement bridge formed on the back side surface between each sidewall arch and a protrusion on the back side of the large roll support which corresponds to one of the rectangular depressions on the face side of the large roll support. Preferably, a reinforcement bridge is formed from each corner of the protrusion to one of the sidewall arches. The reinforcement bridges increase the structural stability of the roll support under heavy loads, and prevent the sidewalls from deforming during the forming process. The outer peripheral support surface of the roll support preferably includes enlarged arch feet that increase the surface area of the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.