Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
SCREW NAIL
A screw nail (1A) includes a nail shaft portion (2) extending along one direction, and a head portion (3) whose diameter is enlarged along other direction orthogonal to an extension direction. A sharp tip end portion (20) is formed on one end side of the nail shaft portion, and the head portion is formed at an end portion on the other end side. The nail shaft portion is formed with a screw thread (21), and the head portion is formed with an engaging portion (31) capable of engaging with a rotary tool. A convex portion (32) protruding along an axis direction of the nail shaft portion is formed on an end surface of the head portion. A concave portion (33, 34) that is concave with respect to the convex portion is formed between the convex portion and the engaging portion. A virtual plane specified by vertexes of the convex portion is a plane orthogonal to the axis direction.
SCREW NAIL
A screw nail (1A) includes a nail shaft portion (2) extending along one direction, and a head portion (3) whose diameter is enlarged along other direction orthogonal to an extension direction. A sharp tip end portion (20) is formed on one end side of the nail shaft portion, and the head portion is formed at an end portion on the other end side. The nail shaft portion is formed with a screw thread (21), and the head portion is formed with an engaging portion (31) capable of engaging with a rotary tool. A convex portion (32) protruding along an axis direction of the nail shaft portion is formed on an end surface of the head portion. A concave portion (33, 34) that is concave with respect to the convex portion is formed between the convex portion and the engaging portion. A virtual plane specified by vertexes of the convex portion is a plane orthogonal to the axis direction.
SCREW NAIL
SCHRAUBNAGEL
CLOU À VIS
WATANABE EIICHI (Autor:in) / KURASAWA RYUTA (Autor:in)
19.07.2023
Patent
Elektronische Ressource
Englisch
IPC:
F16B
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES
,
Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
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