Cutting edge for dispensing container
AssigneeAsahi-Dow Limited
InventorHisao Kai
Life of this patent
Estimating the term…
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.
Claims10
A dispenser for sheet materials, said dispenser containing a rolled sheet material selected from the group consisting of synthetic resin film, metallic foil, thin paper of short fibers or a laminate thereof and formed in the shape of a rectangular parallelepiped to be openable at least at the time of use, said sheet material contained in the dispenser being available to pull out in a direction perpendicular to one of the longitudinal corners of the dispenser, a coarse file-like face as the cutting means being formed of an aggregate of grindstone particles adhered fast to the front face of a substrate which has its rear face applied with an adhesive agent and covered with a release paper, said cutting means being contained within the dispenser, and a mark for application of said cutting means being indicated on a position overlying across the longitudinal corner of two walls which contacts with at least the starting point of a cut of the sheet material pulled out of the dispenser.
A dispenser for sheet materials, said dispenser containing a rolled sheet material selected from the group consisting of synthetic resin film, metallic foil, thin paper of short fibers or a laminate thereof, and formed in the shape of a rectangular parallelepiped to be openable at least at the time of use, said sheet material contained in the dispenser being available to pull out in a direction perpendicular to one of the longitudinal corners of the dispenser, a coarse file-like face as the cutting means being formed of an aggregate of grindstone particles adhered fast to the front face of a substrate which has its rear face applied with an adhesive agent and covered with a release paper, said cutting means being contained within the dispenser, and a mark for application of said cutting means being indicated on said dispenser in a position which contacts with at least the starting point of a cut of the sheet material pulled out of the dispenser.
Dependencies are inferred from the claim text.