US Patent: 4,460,157
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| High Pressure Ball Valve
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Patentee:
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| Francis V. Marchal (exact or similar names) - Erie, Erie County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 28, 1981 |
| Granted: |
Jul. 17, 1984 |
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Joel Havens
"Vintage Machinery" entry for Skinner Engine Co.
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Description: |
| Patented in Canada, #CA-1,220,186 & in Europe, #EP-141888.
Abstract
A valve is disclosed having a generally cylindrical body having an inlet and an outlet opening and a lateral opening. The valve body is received in a cylindrical collar which is heat shrunk onto the cylindrical body of the valve to provide a prestressed condition in the valve body thereby substantially increasing the strength of the body.
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