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US 2014/0370789 A1Published application
Method of removing backing adhesive of carpet and the device thereof
OwnerChengjin YUinventor
Life of this patent
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Abstract
Method of removing backing adhesive from a carpet by steps: (1) sorting collected waste carpet into various types according to the surface fiber materials, such as, nylon, PP, PET and wool, (2) removing PP mesh base from the sorted carpet, and (3) passing the carpet without the PP mesh base through an active feeding device to a grinding wheel to remove the backing adhesive.
Claims16
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A device for removing backing adhesive from a carpet, comprising:
- (a) a grinder having a grinding wheel with a grinding surface,
- (b) a feeding device, comprising an active roller and a passive roller having rotation axes parallel to each other, with the active roller in a fixed position and in contact with the grinding wheel of the grinder, and the passive roller being:
- movably coming in contact with the active roller and pressed against the active roller by a spring pressing mechanism;
- and
- (c) a pressing wheel device on a frame, comprising a roller with a rotation axis parallel with the axis of the grinding wheel of the grinder, wherein the roller of the pressing wheel is for pressing against the grinding wheel a carpet running between the roller of the pressing device and the grinding wheel and the roller of the pressing device is slidably put in position at a prescribed distance relative to the grinding wheel and is acted on by a spring force urging towards the grinding wheel.
2 more elements
Dependencies are inferred from the claim text.