Patent ID: 9676174
Date: 2017-06-13
CPC Classifications: B29C,B29D,B30B,B32B,Y10T

Claim:
1. A device for joining overlapped end portions of a rubber member with an upper end portion overlapping a lower end portion of the rubber member, the device comprising: a pressing roll configured to rotate about an inclined shaft inclined by a predetermined inclination angle θ a piston/cylinder mechanism configured for pressing a rolling surface of the pressing roll against the overlapped upper end portion of the rubber member; and a side pressing roll configured to constrain the lower end portion of the rubber member while the pressing roll extends the upper end portion of the rubber member, the side pressing roll being adjacently disposed on a joining end side of the pressing roll, a moving unit configured for rolling the rolling surface of the pressing roll while pressing the rolling surface thereof against the upper end portion of the rubber member, the moving unit comprising: wherein joining is performed with the upper end portion being extended and a joining area between the end portions to be joined being increased by rolling the rolling surface of the pressing roll while pressing it against the upper end portion of the rubber member.