US Patent: 57,475 - Improved device for shrinking tire


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US Patent: 57,475

Improved device for shrinking tire

Patentee:

H. W. Caswell (exact or similar names) - Yarmouth, ME

USPTO Classifications:

72/305

Tool Categories:

specialty machines : metal tire apparatus : tire shrinkers

specialty tools : metal tire repair tools : tire shrinkers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Joel Brooks

E. H. Walker

Patent Dates:
Granted:	Aug. 28, 1866

Patent Pictures:

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Description:

This device is clamped onto the tire while cold and then tightened to create longitudinal compression on the tire; the section of tire within the device is heated and then hammered to shrink it.