A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CONCRETE SCREW WITH INTEGRATED WASHER WITH BULGING UNDERHEAD SURFACE
The invention relates to a concrete screw anchor comprising a shank, a head connected to the shank, an integral washer, which is arranged axially between the head and the shank, and which has an underhead surface, and at least one thread helix, which is arranged on the shank, wherein the head comprises external drive flats for wrench socket engagement. According to the invention, the underhead surface has a bulging clamping section for lifting clutch engagement.
CONCRETE SCREW WITH INTEGRATED WASHER WITH BULGING UNDERHEAD SURFACE
The invention relates to a concrete screw anchor comprising a shank, a head connected to the shank, an integral washer, which is arranged axially between the head and the shank, and which has an underhead surface, and at least one thread helix, which is arranged on the shank, wherein the head comprises external drive flats for wrench socket engagement. According to the invention, the underhead surface has a bulging clamping section for lifting clutch engagement.
CONCRETE SCREW WITH INTEGRATED WASHER WITH BULGING UNDERHEAD SURFACE
BETONSCHRAUBE MIT INTEGRIERTER UNTERLEGSCHEIBE MIT GEWÖLBTER UNTERKOPFOBERFLÄCHE
VIS À BÉTON À RONDELLE INTÉGRÉE ET SURFACE DE COLLET BOMBÉE
SANCHEZ LOPEZ MARCO (author) / OBERHAMMER KLAUS (author)
2020-12-30
Patent
Electronic Resource
English
IPC:
E04G
SCAFFOLDING
,
Baugerüste
/
B66C
Krane
,
CRANES
/
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
CONCRETE SCREW WITH INTEGRATED WASHER WITH BULGING UNDERHEAD SURFACE
| European Patent Office | 2020
CONCRETE SCREW WITH INTEGRATED WASHER WITH BULGING UNDERHEAD SURFACE
| European Patent Office | 2022
Replenishment of underhead protection (below bearing plate)
| British Library Conference Proceedings | 2008
CONTINUOUS SCREW TIGHTENING MACHINE WITH WASHER STACKING SUPPLY MECHANISM
| European Patent Office | 2016
CONTINUOUS SCREW TIGHTENING MACHINE WITH WASHER STACKING SUPPLY MECHANISM
| European Patent Office | 2017