A disposable envelope type paper cup with Asymmetric oval lake cutting edge

摘要

The present invention relates to an envelope-type paper cup having an elliptical arc of front and rear asymmetric openings for solving the problem of use and hygiene caused by the opposed front and back of the opening of the paper cup in the envelope-type paper cup will be.Conventional paper cups are made of a front and back symmetrical tip, which causes inconveniences on the front and back sides of the paper cup when cutting the tip, causing inconveniences in the use of opening the paper cup by rubbing with the fingers and blowing several times with the mouth, There is hygiene problem due to contamination of surfaceIn order to solve these inconveniences, elliptical blades for forming the asymmetrical cross section of the front end of the opening are installed in the existing manufacturing process, and the paper cups can be opened smoothly and the problems of use and sanitation are solved.In addition, it is possible to mass production without deteriorating the operation speed by adjusting the position so that the positions of the front and rear cutting blades can be sequentially cut, and there is no loss of paper due to the separate punching operation.