Screw having an under-head coating

US11913486B2 · kind B2 · utility

Assignee

• Omnitechnik Mikroverkapselungs GMBH · DE

Inventors

• Anselm Weckerle · Fürstenfeldbruck, DE
• Karin Lüdtke · Munich, DE
• Markus Lang · Dresden, DE
• Sebastian Thau · Feldkirch, AT
• Alexander Kuhn-Weiss · Munich, DE
• Agron Berisha · Munich, DE

Key dates

• Filing date: Oct 29, 2021
• Grant date: Feb 27, 2024
• Expiry date: Oct 29, 2041

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16B25/00
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The present disclosure provides a screw and a screw assemblage. The screw includes a screw head and a screw shaft which protrudes from an underside of the screw head and has a self-forming or self-cutting thread, wherein the underside of the screw head has a bearing area and at least one annular recess extending around the shaft between the bearing area and the shaft, wherein a coating made of an elastic sealant is attached to the underside of the screw head.