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Patent Searching and Data


Matches 1,251 - 1,300 out of 1,732

Document Document Title
JPS5721222A
An improved gear burnisher for removing minor gear tooth defects by burnishing is provided by rotating the work gear to be burnished in mesh with three different burnihing gears, at least one of which is powered. The improvement consists...  
JPS5717068U  
JPS5717069U  
JPS574419B2  
JPS574418B2  
JPS574420B2  
JPS574434B2  
JPS5714425A
PURPOSE: To obtain a die that can die sink two picture line patterns of different picture line widths by providing specific U-groove setting dies and V-groove setting dies in a specific state on one piece of a steel base plate. CONSTITUT...  
JPS577305A
PURPOSE: To easily practice a piercing work for a relatively short sized material, by pushing a piercing plug into a round bar shaped blank along its central axis in order to apply a piercing work, while rotating and pressing the round b...  
JPS576799A  
JPS572572U  
JPS56168361A
PURPOSE: To make use of all parts of a thin plate, and prevent any waste of the material by cutting the thin plate from its center to the end in such a manner that lags having the same length as an expanded part of the plate are formed, ...  
JPS5653451B2  
JPS5652969B2  
JPS5651850B2  
JPS56158239A
PURPOSE: To feed oil after pattern knurling and improve the quality of the decorative plate of delicate patterns by pressing a pattern die on a metallic sheet and stamping the knurled patterns then feeding oil to piercing pins and blanki...  
JPS56158238A
PURPOSE: To form patterns simultaneously on slat surface and improve working efficiency by building the forming rolls with rib patterns or rugged patterns in a forming device constituting of plural sets of forming rolls. CONSTITUTION: A ...  
JPS56148430A
PURPOSE: To work rugged patterns to an Al-made extruded semicylindrical material easily, inexpensively and efficiently by working rugged patterns to said extrudate, joining other semicylindrical material at the end parts to themselves th...  
JPS5643791B2  
JPS56129192A
PURPOSE: To automatize a die stamping operation by a method wherein a rotary ring provided with annularly arranged signs is rotated for indexing, and a member to be die-stamped is struck by a prearranged punch. CONSTITUTION: A plurality ...  
JPS5641860Y2  
JPS56123393A
PURPOSE:To form a very small and deep hole in the work by inserting an Ni core anode having a porous electrical insulation coating layer of an intended diameter, as a core, into the coarse hole provided in the work, and electroplating th...  
JPS56122629A
PURPOSE: To improve practical performance and economic efficiency by bending and forming recessed parts in a sheet surface by the relative copying movement of a hammer rod which is making hammering action at high speed along the predeter...  
JPS56120073A
PURPOSE: To lighten the weight of a grid by mixing volcanic glass fine balloons in the grid which is obtained by expanding a lead sheet. CONSTITUTION: A prescribed amount of sand balloons with apparent density of 0.4∼0.8 are fed from a...  
JPS56117835A
PURPOSE: To eliminate the waste of hoop materials and improve material yield by separating between the parts and elongating the edge parts of the parts without blanking the gaps between the respective parts produced of a hoop material. C...  
JPS56111534A
PURPOSE: To obviate early damaging of a sizing tool by oscillating an outer race holding part within the predetermined angle range centering at the center of the arc in the axial line direction in sizing ball grooves. CONSTITUTION: An ou...  
JPS56112867U  
JPS5634367B2  
JPS5634365B2  
JPS5691931A
PURPOSE: To produce a trim core material at a high speed without waste of materials by subjecting a striplike sheet metal to slitting, stretching and flat pressing by means of slitter, rolling and take-up rolls continuously. CONSTITUTION...  
JPS5689338A
PURPOSE: To inexpensively produce a dial plate and panel cover for timepieces having multiple patterns possessing three-dimensional feel by transferring the rugged patterns of a blank material to an electrotyping sheel of rigid metal by ...  
JPS5628610B2  
JPS5674332A
PURPOSE: To make cutting of material easy and eliminate the waste of material by forming a cylindrical body of an approximately the same diameter over the entire length by means of a metal lath, expanded metal, etc. then force-expanding ...  
JPS5671530A
PURPOSE: To make possible titled plastic working of wire and bar materials without increasing roll diameter by forcibly passing a wire material of predetermined length into the holes dies of a pair of roll of the same diameter which are ...  
JPS5624566Y2  
JPS5669151A  
JPS5623690B2  
JPS5623684B2  
JPS5623683B2  
JPS5621500B2  
JPS5656746A
PURPOSE: To minimize torsional strains even with a relatively thick metal plate of somewhat poor lancing accuracy, at the time of transversely spreading a thin metal plate longitudinally provided with lancing strips and flat plate parts ...  
JPS5650532U  
JPS5615981B2  
JPS5637495A
1448902 Making heat exchanger tubing OLIN CORP 2 May 1974 [10 May 1973] 48044/75 Divided out of 1448901 Heading B3A A method of making a corrugated heat exchanger tube from metal strip comprises forming longitudinally extending corrugati...  
JPS5636354A
PURPOSE: To realize the mass production of the titled metal net with continuous and high speed operations by wavelike bending of mild steel plates of band or rectangular shape taken into an enlarged size, then by mesh enlarging by fricti...  
JPS5614908Y2  
JPS5613080Y2  
JPS5612331B2  
JPS5611829Y2  
JPS5626640A
PURPOSE: To make possible volume production and inexpensively produce the pan having embossed patterns by passing a blank material between two rollers having desired rugged patterns to form the embossed patterns then drawing the material...  

Matches 1,251 - 1,300 out of 1,732