Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1253022A
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to GB1253022ApriorityCriticalpatent/GB200957A/en
Publication of GB200957ApublicationCriticalpatent/GB200957A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D73/00—Making files or rasps
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shovels
(AREA)
Abstract
200,957. Strickland, F. May 3, 1922. Milling-cutters; tools.-A milling-cutter c for cutting files has pairs of staggered consecutive teeth a, b. The milling-cutter may be replaced by staggered planing-cutters a<1>, b<1>, Fig. 7, or, for round files, a pair of angularly-disposed stationary cutters a, b, Fig. 12, operating on rotating work may be employed. Specification 159,254 is referred to.
GB1253022A1922-05-031922-05-03Improvements in or relating to the manufacture of files
ExpiredGB200957A
(en)