Illinois Tool Works Inc.

Stefan Helbert

Bruno Da Rocha

Martin Kluge

Andreas Jakob

Sven Becker

Nelson Santos

A tubular sleeve is provided, in particular for use as a force-absorbing sleeve. The sleeve includes a casing wall having a through-opening, wherein the sleeve is formed from plastic, and a modulus of elasticity of the plastic is between 15,000 MPa and 25,000 MPa.

Tubular sleeve

A modular screw is provided, wherein the screw includes, in an axial direction, the following elements: a screw head, a shank having a second functional portion, a third functional portion for distributing a prestressing force, wherein a washer is arranged in the second functional portion and is mounted so as to be rotatable about a longitudinal axis of the screw, and a fourth functional portion having an external thread, and wherein the washer is secured in an approximately positionally fixed manner in the axial direction by bearing against the second and the fourth functional portion.

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Witten, Germany

Stefan Helbert