GB Patent: 180,202,673 - Machine for boring cylinders


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GB Patent: GB-180,202,673

Machine for boring cylinders

Patentee:

Michael Billingsley (exact or similar names) - Birkinshaw, county York, England

USPTO Classifications:

Tool Categories:

metalworking machines : drilling and boring : vertical boring mills

Assignees:

John Sturges - Bradford, county York, England

Michael Billingsley - Birkinshaw, county York, England

Manufacturer:

John Sturges & Co., Bowling Ironworks - Birkinshaw, county York, England

Witnesses:

Unknown

Patent Dates:
Granted:	Dec. 22, 1802

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Jeff Joslin
"Vintage Machinery" entry for John Sturges & Co., Bowling Ironworks
Grace's Guide page on Michael Billingsley

Description:

"...the cylinder intended to be bore shall preserve a vertical position... by which means I permit the sand and borings from the face of the metal to fall down, instead of occupying one side of the cylinder, and wearing away the edges of the cutters..."