发明名称 Paper roll and paper roll dispenser
摘要 The invention provides a paper roll, a bushing for a paper roll and a combination of a paper roll with a dispenser. The paper roll comprises a hollow paper roll core with two opposite extremities. The bushing has a cylindrical body press-fitted into at least one of the extremities of the paper roll core and the bushing further comprises a circular end wall frangibly fixed to a first end of the body and closing the extremity of the paper roll core. The end wall is provided with a central pin-receiving hole. The end wall is designed to breaks off when removing the paper roll from the dispenser. Thus, the bushing cannot be reused. Therefore, this invention participates in the enhancement of a quality control system.
申请公布号 US7537180(B2) 申请公布日期 2009.05.26
申请号 US20060414975 申请日期 2006.05.01
申请人 CASCADES CANADA INC. 发明人 MORAND MICHEL
分类号 B65H49/18 主分类号 B65H49/18
代理机构 代理人
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