Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Making hole or aperture in article
Patent
1999-03-03
2000-12-12
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Making hole or aperture in article
264502, 264163, 264326, 156115, 156119, 156122, 425 32, 425292, 425298, B29C 3500, B29D 2324
Patent
active
061594032
ABSTRACT:
To provide a method of manufacturing a sealant containing tire tube, which is capable of simply opening a sealant filling hole without use of any specialized jig, and a vulcanizing die therefor. A vulcanizing die includes an upper die, a lower die, and a filling hole opening device. The filling hole opening device includes a linear actuator, a drive shaft, and a cutter. The lower die has a cutter passage which passes through the vulcanizing die from outside to inside, and a cut piece recovery passage which extends from the outside of the vulcanizing die to a portion, near the inner opening end, of the cutter passage. The drive shaft of the linear actuator is inserted in the cutter passage, and the cutter is fixed to one end of the drive shaft.
REFERENCES:
patent: 1841886 (1932-01-01), Gammeter
patent: 4382834 (1983-05-01), Satzler
patent: 4388261 (1983-06-01), Codispoti et al.
patent: 5900088 (1999-05-01), Yamagiwa
Honda Giken Kogyo Kabushiki Kaisha
Vargot Mathieu D.
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