Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 93,863
Improvement in Casting Steel Ingots
Patentees:
Henry Disston (exact or similar names) - Philadelphia, PA
Jonathan Marsden (exact or similar names) - Philadelphia, PA

USPTO Classifications:
164/122, 222/212

Tool Categories:
woodworking machines : specialty woodworking machines : tool making machines

Assignees:
Henry Disston - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
A. H. Shoemaker
A. H. Disston

Patent Dates:
Granted: Aug. 17, 1869

Patent Pictures: [ 1 | 2 ]
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Russ Allen.
Description:
Wedges are used to overcome shrinkage cracking and voids in cast, cooling metal being placed between the mold and ingot.

Copyright © 2002-2024 - DATAMP