US 11,913,486 B2
Screw having an under-head coating
Anselm Weckerle, Munich (DE); Karin Lüdtke, Munich (DE); Markus Lang, Munich (DE); Sebastian Thau, Munich (DE); Alexander Kuhn-Weiss, Munich (DE); and Agron Berisha, Munich (DE)
Assigned to Omnitechnik Mikroverkapselungs GMBH, Munich (DE)
Appl. No. 18/034,158
Filed by OMNITECHNIK MIKROVERKAPSELUNGS GMBH, Munich (DE)
PCT Filed Oct. 29, 2021, PCT No. PCT/EP2021/080218
§ 371(c)(1), (2) Date Apr. 27, 2023,
PCT Pub. No. WO2022/090519, PCT Pub. Date May 5, 2022.
Claims priority of application No. 102020128662.7 (DE), filed on Oct. 30, 2020.
Prior Publication US 2023/0392635 A1, Dec. 7, 2023
Int. Cl. F16B 25/00 (2006.01); F16B 33/00 (2006.01)
CPC F16B 25/0021 (2013.01) [F16B 33/004 (2013.01); F16B 25/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A screw (10) comprising:
a screw head (11) and a screw shaft (16) which protrudes from an underside of the screw head (11) and has a self-forming or self-tapping thread (17), wherein the underside of the screw head (11) has a bearing area (12) and at least one annular recess (14) extending around the shaft (16) between the bearing area (12) and the shaft (16), wherein a coating (15) made of an elastic non-reactive sealant is attached to the underside of the screw head (11), characterized in that the sealant comprises a resin component comprising one or more acrylate polymers and/or one or more acrylate copolymers, and characterized in that the shaft (16) is perpendicular or substantially perpendicular with respect to the bearing area (12) such that the bearing area can abut, over as great an area as possible, the body into which the screw (10) is being screwed.