Device for extracting of the contents of an envelope
US6092353A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 7, 1999 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Sep 7, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43M7/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A device for extracting the contents of an envelope pre-cut on three sides is provided. The device includes at least one bi-directional upper extraction roller, at least one bi-directional lower extraction roller cooperating with the upper extraction roller, and a receptacle for receiving the extracted contents of the pre-cut envelope. A controller causes the upper and lower extraction rollers to unfold the envelope and extract its contents by causing the upper and lower extraction rollers to move forward and rearward in accordance with the following successive steps: (a) the upper and lower extraction rollers move the envelope in a forward direction, the envelope being oriented with its uncut side facing a rearward direction; (b) the lower extraction rollers stop moving and the upper extraction rollers move an upper fold of the envelope in the rearward direction, whereby the upper fold is rounded and opened; (c) the upper and lower extraction rollers move the opened envelope and its contents in the forward direction until the contents are disengaged from the upper and lower extraction rollers, but the opened envelope is still held therebetween; and (d) the upper and lower extracti…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.