SCREW

PURPOSE: A screw is provided to prevent a loosening after fastening a screw caused by an adhesive flowing out and chips from being separated to the surroundings by the chips being adhered. CONSTITUTION: A screw comprises a cladding(4) and an oil film(5). The cladding having micro capsules in which a...

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Bibliographische Detailangaben
1. Verfasser:	NA, YOUN HWAN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING 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 THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: A screw is provided to prevent a loosening after fastening a screw caused by an adhesive flowing out and chips from being separated to the surroundings by the chips being adhered. CONSTITUTION: A screw comprises a cladding(4) and an oil film(5). The cladding having micro capsules in which an adhesive is included is spread on a part or a whole part of a surface of a screw unit(2) having a screw thread. The oil film spread on a part or a whole part of a surface of the cladding includes a hardening retarder and a tackifier for a viscosity and has the constant viscosity. The tackifier includes perchloroethylene or butoxyethoxy ethanol. The hardening retarder includes lactic acid.