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GB Patent: GB-190,908,038
Improvements in apparatus for facing or preparing pipes for the purposes of making joints
Patentee:

USPTO Classifications:

Tool Categories:
specialty tools : pipe cutters

Assignees:
Harry Ewart Partridge - Kidderminster, Worcester County, England
Thomas Chatwin - Birmingham, England
James Chatwin - Birmingham, England
Alfred Chatwin - Birmingham, England

Manufacturer:
Thomas Chatwin Ltd. - Birmingham, England

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 03, 1909
Granted: Jan. 13, 1910

Patent Pictures:
Espacenet patent
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Vintage Machinery entry for Thomas Chatwin
Description:
This tool has an internal thread to screw onto the end of a freshly threaded pipe end and then faces off the end of the pipe perfectly square to the axis of the thread. That squareness is important in making joints that can withstand high pressure.

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