Method, module, and apparatus for roll-processing external pipe thread, and external pipe thread production line

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United States of America Patent

PATENT NO 10913103
APP PUB NO 20180169738A1
SERIAL NO

15735518

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Abstract

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Provided is a method for performing an external pipe thread process on a hollow blank by at least twice rolling, wherein amount of rolling wheels in a rolling wheel set, used in any two back-to-back rolling processes in a processing sequence, are different in parity. Further provided are various roll-processing modules and corresponding rolling apparatuses, achieving the above processing method and having a simple structure, portability and practicality. A hollow blank is not liable to deform when performing an external pipe thread rolling process thereon, thereby improving a processing yield.

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Patent Owner(s)

Patent OwnerAddress
ZHOU JUNNO 202 UNIT 2 BUILDING 18 SECTION 630 HUAYANG LUSHAN AVENUE SHUANGLIU COUNTY CHENGDU CITY SICHUAN PROVINCE 610000 CHENGDU CITY SICHUAN PROVINCE 610000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yang, Jianming Shanghai, CN 16 13
Yang, Minjun Shanghai, CN 2 3
Zhang, Yongliang Shanghai, CN 35 82
Zhou, Jun Shanghai, CN 413 9438

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