STUD BOLT AND BOOSTER USING THE SAME

PROBLEM TO BE SOLVED: To provide a stud bolt having highly accurate airtightness and to provide a booster using the same. SOLUTION: The stud bolt 1 comprises a bolt head part 2, a bolt shoulder part 3 having a smaller diameter than the bolt head part 2, and a screw part 4b having a smaller diameter...

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Bibliographische Detailangaben
Hauptverfasser:	SATO TORU, INAGAKI SHINICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a stud bolt having highly accurate airtightness and to provide a booster using the same. SOLUTION: The stud bolt 1 comprises a bolt head part 2, a bolt shoulder part 3 having a smaller diameter than the bolt head part 2, and a screw part 4b having a smaller diameter than the bolt shoulder part 3. The bolt shoulder part 3 has a knurling portion 3b which has a protruded portion 3b1 and a grooved portion 3b2 on the outer periphery and at least part of which is bitten into a container 10 during caulking, and a bolt base portion 3a formed between the knurling portion 3b and the bolt head part 2 with its peripheral face smoother than that of the knurling portion 3b. COPYRIGHT: (C)2008,JPO&INPIT