Preform and bottle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11472090
APP PUB NO 20190143576A1
SERIAL NO

16250226

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a method for manufacturing a preform (1). The method includes injecting into a cavity of a mold through the gate: (i) a first colored resin (R1) for a first predetermined time period, and (ii) a second colored resin (R2), having a color different from that of the first colored resin, for a second predetermined time period.

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Patent Owner(s)

  • YOSHINO KOGYOSHO CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiba, Junichi Tokyo, JP 26 307
Hosokoshiyama, Hiroshi Tokyo, JP 21 126

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