GB190930193A - Improvements in Machines for Cutting Holes in Boiler Plates and the like. - Google Patents

Improvements in Machines for Cutting Holes in Boiler Plates and the like.

Info

Publication number
GB190930193A
GB190930193A GB190930193DA GB190930193A GB 190930193 A GB190930193 A GB 190930193A GB 190930193D A GB190930193D A GB 190930193DA GB 190930193 A GB190930193 A GB 190930193A
Authority
GB
United Kingdom
Prior art keywords
machines
cutting holes
boiler plates
boiler
plates
Prior art date
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
Inventor
John Edward Sears
Original Assignee
John Edward Sears
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by John Edward Sears filed Critical John Edward Sears
Priority to GB190930193T priority Critical
Application granted granted Critical
Publication of GB190930193A publication Critical patent/GB190930193A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D29/00Hand-held metal-shearing or metal-cutting devices

Abstract

30,193. Sears, J. E. Dec. 24. Connecting-rods.-In a machine for cutting man-holes &c. an hydraulic valve r is operated by an adjustable connecting-rod s.
GB190930193D 1909-12-24 1909-12-24 Improvements in Machines for Cutting Holes in Boiler Plates and the like. Expired GB190930193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB190930193T 1909-12-24

Publications (1)

Publication Number Publication Date
GB190930193A true GB190930193A (en) 1910-12-15

Family

ID=32447828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190930193D Expired GB190930193A (en) 1909-12-24 1909-12-24 Improvements in Machines for Cutting Holes in Boiler Plates and the like.

Country Status (1)

Country Link
GB (1) GB190930193A (en)

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