Cutting edge for dispensing container
US4465215A · kind A · utility
4Cited by
11References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1982 |
| Grant date | Aug 14, 1984 |
| Priority date | — |
| Expiry date | Jan 12, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T225/298
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cutting device using as its cutting edge a coarse file-like face, a method for cutting a thin sheet or film by causing at least the cut-starting portion of the thin sheet or film to be pressed against the coarse file-like face of the cutting device, and a dispenser for a thin sheet or film provided with the aforementioned cutting device using said coarse file-like face as a cutting edge thereof are disclosed. A thin sheet or film is readily torn when a notch or cut is formed at the cut-starting portion of the sheet or film. The present invention makes use of this property of the thin sheet or film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.