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US Patent 11885400 Method of forming grooves in pipe elements

Patent 11885400 was granted and assigned to Victaulic on January, 2024 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
Victaulic
Victaulic
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Current Assignee
Victaulic
Victaulic
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
118854000
Patent Inventor Names
Douglas R. Dole0
Date of Patent
January 30, 2024
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Patent Application Number
179698220
Date Filed
October 20, 2022
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Patent Citations
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US Patent 10525517 Cam grooving machine
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US Patent 10960450 Pipe grooving device
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US Patent 11110503 Roller set and pipe elements
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US Patent 11173533 Cam grooving machine
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US Patent 11383285 Pipe grooving device
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US Patent 11441662 Cam with stop surfaces
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US Patent 11441663 Cam grooving machine with cam stop surfaces
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US Patent 11446725 Pipe grooving device having flared cup
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...
Patent Primary Examiner
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Teresa M Ekiert
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CPC Code
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B21H 7/18
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B21D 17/00
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B21D 15/00
0
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B21H 7/182
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B21D 17/04
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Patent abstract

A method for cold working pipe elements use two or more cams, each having a gear which meshes with a pinion to turn all of the cams. Each cam has a cam surface with a region of increasing radius and may also have a region of constant radius extending around a cam body. Each cam may also have a traction surface extending around a cam body. The method includes contacting the pipe element with a plurality of cam surfaces simultaneously at a plurality of locations on the pipe element and rotating the pipe element, thereby simultaneously rotating the cam surfaces. Each cam surface engages the pipe element with an increasing radius and a region of constant radius if present to deform the pipe element and form the groove.

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