Journal of the Franklin InstituteFranklin Institute, 1853 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Results 1-5 of 42
Page 18
... moulds , by first shaving off the surplus material , and then smoothing the shaved sur- face by rubbing it under heavy pressure while confined in the mould , to prevent it from breaking under the operation , as it would do if not so ...
... moulds , by first shaving off the surplus material , and then smoothing the shaved sur- face by rubbing it under heavy pressure while confined in the mould , to prevent it from breaking under the operation , as it would do if not so ...
Page 25
... mould board : therefore , to these parts no special claim is made , either separately considered , or in combination ; but I claim as my improvement , mounting the double pointed share upon the central shoulder piece , and fastening the ...
... mould board : therefore , to these parts no special claim is made , either separately considered , or in combination ; but I claim as my improvement , mounting the double pointed share upon the central shoulder piece , and fastening the ...
Page 26
... mould . " 2d , The model adopted for varying the relative thickness of the different parts of the manufactured article . " RE - ISSUES FOR NOVEMBER , 1852 . 1. For an Improvement in Steam Boilers and Apparatus to be used on board of ...
... mould . " 2d , The model adopted for varying the relative thickness of the different parts of the manufactured article . " RE - ISSUES FOR NOVEMBER , 1852 . 1. For an Improvement in Steam Boilers and Apparatus to be used on board of ...
Page 30
... mould cylinders , for the purpose of expelling the pills from the recesses after the moulds are open , substantially as herein set forth . " 19. For an Improvement in Shingle Machines ; William Stoddard , Lowell , Mass . Claim ...
... mould cylinders , for the purpose of expelling the pills from the recesses after the moulds are open , substantially as herein set forth . " 19. For an Improvement in Shingle Machines ; William Stoddard , Lowell , Mass . Claim ...
Page 113
... mould or former to slide therein , for discharging the chair after it has been formed as described . " And finally , we claim the dies for upsetting and giving additional thickness to the lips , as described , in combination with the ...
... mould or former to slide therein , for discharging the chair after it has been formed as described . " And finally , we claim the dies for upsetting and giving additional thickness to the lips , as described , in combination with the ...
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acid alumina apparatus applied arrangement Assignor axle beam blast boiler carbon carbonic acid cast iron cause cent centre centum chamber Claim.-"What I claim coal colors combination condensation connexion construction cutter cylinder diameter effect engine equivalent evaporated experiments feet fire box flues frame Franklin Institute furnace fusel oil gases glass heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery manner manufacture means mechanical metal miles minute mode motion mould nitric acid obtained operation oxide pass patent Pennsylvania Philadelphia pipe piston pitch placed plate portion pounds present pressure produced proportion purpose quantity railway rollers screw shaft side silica slide speed spring square inch steam Stove stroke substantially as described temperature tion train tubes valve vertical vessel weight wheel wrought iron York