BOLT FASTENING STRUCTURE AND OUTDOOR INSTALLATION HOUSING

• Main Author: UEHARA KEIJI
• Format: Patent
• Language: English; Japanese
• Published: 14.12.2017
• Subjects: 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

PROBLEM TO BE SOLVED: To secure waterproofness of a box nut in an environment below a freezing point.SOLUTION: A box nut 4 has: a nut part 4a into which a bolt 3 is screwed; a bag part 4b covering a tip of the bolt 3 screwed into the nut part 4a; and a viscous resin material 4c loaded into the bag part 4b and filling a gap between the bag part 4b and the tip of the bolt 3. The box nut 4 prevents entry of water into the bag part 4b.SELECTED DRAWING: Figure 1 【課題】氷点下環境においても袋ナットの防水性を確保する。【解決手段】袋ナット４は、ボルト３がねじ込まれるナット部４ａと、ナット部４ａにねじ込まれたボルト３の先端部を被覆する袋部４ｂと、袋部４ｂに充填され袋部４ｂとボルト３の先端部との隙間を埋める粘性のある樹脂材４ｃとを有し、袋部４ｂ内への水の浸入を防止する。【選択図】図１