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GB Patent: GB-181,604,062
Certain improvement in pistons
Patentee:
John Barton - London, England

USPTO Classifications:

Tool Categories:
propulsion and energy : steam engines : steam engine pistons : piston ring and packing

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 31, 1816

Patent Pictures:
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Description:
In Dickinson's "A Short History of the Steam Engine" he says, "In 1816 John Barton (Patent No. 4062) introduced segmental wedge packing, pressed outwardly by springs, and this was quite extensively used. Barton's packing has since been modified and has been followed by many others, of the same type; in most of them one or more rings, with a saw cut through each, fit the cylinder and are forced radially against the walls and axially against the piston body by flat, volute or helical springs."

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