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Piston-Rod Packing
Patent for "provide a metallic packing for piston-rods that is self-adjusting; secondly, to provide a packing the parts of which are so arranged as to avoid any escape of steam through the gland of the stuffing-box; thirdly, to provide a packing that does not require a lubricator; fourthly, to provide a packing that relieves the piston of all friction, except when steam is admitted to stuffing-box end of cylinder" (lines 19-27).
Date:
May 9, 1890
Creator:
Carlson, Frank A.
System:
The Portal to Texas History