Molding device for molding an inner end portion of a paper pipe
OwnerFa-Shi Tsenginventor
Life of this patent
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Abstract
A molding device for molding an inner portion of a paper pipe has a molding head, an annular seat disposed on the molding head, an oil supply tube inserted through the annular seat and inserted in the molding head, a rotating device connected to the oil supply tube, and an oil pipe connected to the rotating device. The molding head has a center hole, a plurality of threaded apertures, an annular guide groove, a plurality of round holes communicating with the annular guide groove, a plurality of expanders, a plurality of expander receiving grooves, and a plurality of shafts. Each expander is inserted in the corresponding expander receiving groove of the molding head. Each shaft which has a recess is inserted through the corresponding round hole of the molding head.
Claims5
A molding device for molding an inner portion of a paper pipe comprises:
- a molding head, an annular seat disposed on the molding head, an oil supply tube inserted through the annular seat and inserted in the molding head, a rotating device connected to the oil supply tube, and an oil pipe connected to the rotating device,
- the molding head having a center hole, a plurality of threaded apertures, an annular guide groove, a plurality of round holes communicating with the annular guide groove, a plurality of expanders, a plurality of expander receiving grooves, and a plurality of shafts,
- each of the expanders inserted in the corresponding expander receiving groove of the molding head,
- each of the shafts having a recess, and
- each of the shafts inserted through the corresponding round hole of the molding head.
Dependencies are inferred from the claim text.