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JP56050750 |
PURPOSE: To work multiple and diversified kinds of chains of different degrees of thickness increasing even at small quantities efficiently, by increasing the thickness of chain blank materials by padding through electroforming and makin...
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JP56047237 |
PURPOSE: To exactly, simply perform the reforming work for the weld zone, by holding every one of the ring body for composing the chain at the specified position, and by eliminating the weld knuckle by the work of the integrated block bo...
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JP56037909 |
PURPOSE: To smoothly bend a plate without protruding burrs to the point end of the plate, by pressing places near the tip end part in folding work portions of the plate from its both sides and applying a plastic deformation. CONSTITUTION...
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JP56017149 |
PURPOSE: To obtain a link chain having high strength, toughness and wear resistance by directly inserting the link chain having been carburized or carbonitrided into melt liquid of the specific component composition. CONSTITUTION: The li...
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JP56017150 |
PURPOSE: To obtain a link chain having strength, high toughness and wear resistance by carburizing or carbonitriding the link chain then directly inserting the chan in melt liquid of the specific componet composition thereby hardening th...
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JP56017148 |
PURPOSE: To obtain a link chain of high strength, high toughness and corrosion resistance by carburizing or carbonitriding the link chain then directly inserting the chain in melt liquid of the specific component composition thereby hard...
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JP56017151 |
PURPOSE: To produce a colorful cut chain for decoration by partially taking the composite pieces in which the cut ends of blank material assume layers from laminates of more than plural kinds of different tones of noble metals and noble ...
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JP56006752 |
PURPOSE: To let a length of chain being intermittently fed between a lower die and an upper die be subjected to desired working by compression continuously by having the movable holder of the lower die moved reciprocatively toward the st...
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JP55110719 |
PURPOSE: To manufacture link chain having high strength, high toughness, and high corrosion resistance by the procedure in which an iron steel link chain is subjected to a cementation or/and nitriding treatments, then inserted directly i...
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JP55110717 |
PURPOSE: To manufacture link chains having high strength, high toughness, and high corrosion resistance by the procedure in which an iron steel link chain is subjected to a cementation treatment, then inserted directly into a fuse soluti...
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JP55110718 |
PURPOSE: To manufacture link chains having high strength, high toughness, and high corrosion resistance by the procedure in which an iron steel link chain is subjected to a cementation treatment, then inserted directly into a fused solut...
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JP55102713 |
PURPOSE: To prevent a tire from slipping, by providing a protrusion in the link element of cross chain. CONSTITUTION: A cross chain 2 is constituted by linking a link element 6,... in which a metallic base material, with a plurality of p...
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JP55079805 |
PURPOSE: To obtain the captioned bushing of superior abrasion resistance and fatigue strength by subjecting the surfaces of the porous bushing blank having the specific metal composition cast by a powder metallurgical process to filling-...
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JP55048450 |
PURPOSE: To increase the strength of a chain by preventing oxidation of a juncture surface part and precipitation of chromium carbide by superposing a high-frequency current by covering the juncture surface part with inert gas during fus...
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JP55048451 |
PURPOSE: To increasing the deposition strength of a juncture surface part by decreasing the amount of deposited chromium carbide by carrying out a solidifying heat treatment by rapid water cooling successively after a feed of a finishing...
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JP55036060 |
PURPOSE: To manufacture the marked chain by reheating the chain obtained by welding the link and stud, and cooling it with hot water after setting the stud of normal temperature inside the link which is manufactured by the low alloy stee...
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JP55036059 |
PURPOSE: To manufacture the marked chain by making flash butt welding and trimming after making hot bending work on a low alloy steel bar which provides specified quantity of C and is cut into the specified length, also by setting the st...
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JP55031677 |
PURPOSE: In the production of chains for mooring sea floating structures such as buoys and semi-driving type oil rigs, to improve wear characteristic by welding the whole periphery of the ends of a stud to a link by at least one bead. CO...
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JP55030385 |
PURPOSE: To cheaply mass produce the hourglass bush, by pressing the punch into the open mouth of the cylindrical bush blank in order to expand and deform the bush end outward from inside radially by pushing from inside with the taper be...
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JP55016741 |
PURPOSE: To accomplish accurate production of braided chains without cut by spirally winding a chain material wire and welding thereof with a series action of grasping mechanism, a mobile blade, a crushing rod, and a spot welder. CONSTIT...
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JP55010382 |
PURPOSE: To easily, quickly manufacture the kenter shackle, by utilizing the cutter, heater, bender, and shape reformer, of the chain forming machine, for bending the material of chain and reforming the shape. CONSTITUTION: The steel bar...
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JP54149371 |
PURPOSE: To make possible the endless formation for the chain, of twist-free, uniform quality, and arbitrary length, by operating the support arm so as to reversely rotate, and by continuously delivering formed steel chains, in the conti...
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JP54057441 |
PURPOSE: To rigidly hold the ring type welded material on purpose to reduce the defective weld zone, by forming the groove of welding electrode and the guide into U-type. CONSTITUTION: Ring type welded materials 2 are arranged in one lin...
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JP53000479 |
PURPOSE: To eliminate a force component exerting in a direction of inserting a split pin and to easily bend the longer and shorter legs of the pin separately. This is realized by that a fixed and movable claws for bending both legs are d...
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JP51151882 |
PURPOSE: To provide a device for producing a chain successively quite automatically.
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