RESIN FILLER TUBE AND MANUFACTURING METHOD THEREOF

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United States of America Patent

APP PUB NO 20210362391A1
SERIAL NO

17314005

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Abstract

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Provided are a resin filler tube capable of facilitating manufacture and ensuring rigidity in a bent tube portion, and a manufacturing method thereof. A resin filler tube connects an oil filling port and a fuel tank and includes straight tube portions and bent tube portions. The bent tube portions include a bellows-shaped bent inner portion in which hill portions and valley portions are continuous, and a bent outer portion which is formed by a non-bellows-shaped smooth surface. The valley portion of the bent inner portion has a linear outer peripheral surface parallel to a center line of the bent tube portions in a state in which the bent tube portions are in a straight tubular shape, and the linear outer peripheral surface of the valley portions is formed in an entire circumferential range in which the hill portions are formed.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO RIKO COMPANY LIMITED1 HIGASHI 3-CHOME KOMAKI-SHI AICHI 4858550 ?4858550

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Takayuki Aichi, JP 235 2198
Miyajima, Atsuo Aichi, JP 42 492
Park, Eunjin Aichi, JP 7 54
Shimojo, Makoto Aichi, JP 15 63

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges252096322104301 - 1011 - 2021 - 3031 - 4041 - 5002004006008001000120014001600180020002200240026002800

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