Adhesively Bonded Damper Sleeve

Abstract

A method for installing an anchor for the fastening of an attachment part to a base part includes arranging an anchor bolt of the anchor in a hole which is provided in the base part and in a through hole provided in the attachment part. A damper sleeve is arranged on the anchor bolt such that the damper sleeve surrounds the anchor bolt. The damper sleeve is adhesively bonded to the attachment part by adhesive.

Claims

1.-6. (canceled)

7. A method for installing an anchor for fastening of an attachment part to a base part, comprising the steps of: disposing an anchor bolt of the anchor in a hole defined by the base part and in a through hole defined by the attachment part; disposing a damper sleeve on the anchor bolt such that the damper sleeve surrounds the anchor bolt; and adhesively bonding the damper sleeve to the attachment part by an adhesive.

8. The method according to claim 7, wherein an adhesive reservoir is pressed between the damper sleeve and the attachment part and wherein the adhesive is extruded from the adhesive reservoir.

9. The method according to claim 8, wherein the adhesive reservoir is fixed to the damper sleeve to form a unit.

10. The method according to claim 7, wherein the adhesive is introduced into the through hole for a partial filling of the through hole.

11. A unit, comprising: a damper sleeve; and an adhesive reservoir fixed to the damper sleeve, wherein the adhesive reservoir contains adhesive.

12. A fastening set, comprising: a unit, comprising: a damper sleeve; and an adhesive reservoir fixed to the damper sleeve, wherein the adhesive reservoir contains adhesive; and an anchor with an anchor bolt, wherein the damper sleeve of the unit is configured for receiving and damping the anchor bolt.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIGS. 1 and 2 illustrate sequential stages in the performance of an exemplary embodiment of the method according to the invention, wherein the elements used are shown in a longitudinal cross-section;

[0019] FIG. 3 is a rough schematic view of a unit, in particular for use in a method according to FIGS. 1 and 2; and

[0020] FIGS. 4 and 5 illustrate a possible detail configuration of the unit from FIG. 3 in FIG. 4 from below without showing the sealing washer and in FIG. 5 in a longitudinal cross-section (A-A in FIG. 4)

DETAILED DESCRIPTION OF THE DRAWINGS

[0021] FIGS. 1 and 2 show sequential stages in the performance of a method according to the invention for installing an anchor 10, which is provided for the fastening of an attachment part 22 to a base part 21.

[0022] The attachment part 22 and the base part 21 are positioned with respect to one another such that a through hole 92 provided in the attachment part 22 overlaps a hole 91 provided in the base part 21, and an anchor bolt 11 of the anchor 10 is arranged in the overlapping holes 91 and 92. The anchor 10 has an anchor area 16 in the front region of the anchor bolt 11, which is provided for the anchoring of the anchor 10 in the hole 91 of the base part 21. With an anchor 10 embodied as an expansion anchor, for example, the anchor area 16 can be an expansion area, which converts tensile forces in the anchor bolt 11 into radial expansion forces. The rear region of the anchor bolt 11 projects from the attachment part 22 on the back side of the attachment part 22 facing away from the base part 21.

[0023] In the first method step shown in FIG. 1, the unit 30 shown in FIG. 3 is fitted onto the rear region of the anchor bolt 11. The unit 30 has a damper sleeve 31, at least one adhesive reservoir 33 fastened to the damper sleeve 31 and containing adhesive 39, and an extrusion washer 32 for the extrusion of the adhesive 39 from the adhesive reservoir 33.

[0024] The damper sleeve 31 is fastened rearwards to the extrusion washer 32, and the adhesive reservoir 33 is fastened frontwards to the extrusion washer 32. The adhesive reservoir 33 is thus directly fastened to the damper sleeve, namely through the extrusion washer 32. Preferably, the damper sleeve 31 can be materially connected to the extrusion washer 32, and, for example, the damper sleeve 31 can be vulcanized onto the extrusion washer 32.

[0025] In principle, other embodiments of the unit 30 are conceivable for the method, in particular including those without an extrusion washer 32, in which the adhesive reservoir 33 is directly fastened to the damper sleeve 31, or those with additional elements between the damper sleeve 31 and the adhesive reservoir 33. In the method according to the invention, embodiments are also conceivable in which the damper sleeve 31, the adhesive reservoir 33, and the extrusion washer 32 (if present) do not form a unit 30, but rather in which these elements are first brought into contact with one another at the anchor bolt 11.

[0026] Upon fitting the unit 30 onto the anchor bolt 11, the anchor bolt 11 is inserted into the damper sleeve 31, preferably through the extrusion washer 32, such that the damper sleeve 31 surrounds the anchor bolt 11 in an annular manner. After the fitting, the adhesive reservoir 33 of the damper sleeve 31 is moved upstream and it thus located between the attachment part 22 and the damper sleeve 31. An anchor nut 40 is then screwed onto the anchor bolt 11, such that the unit 30 is located between the anchor nut 40 and the attachment part 22. The resulting state is shown in FIG. 1.

[0027] The unit 30 is then pressed onto the attachment part 22, preferably by means of tightening the anchor nut 40, and the adhesive reservoir 33 is hereby squeezed between the damper sleeve 31 with the extrusion washer 32 on one side and the attachment part 22 on the other side. The adhesive 39 exits the adhesive reservoir 33 and produces a direct adhesive bonding between the extrusion washer 32 and the attachment part 22 and thus an indirect adhesive bonding between the damper sleeve 31 and the attachment part 22. Due to this adhesive bonding, the damper sleeve 31 is now fixed onto the attachment part 22 and cannot slip, in particular radially, on the attachment part 22. The resulting state is shown in FIG. 2. Because the extrusion washer 32 acts as a plunger on the adhesive reservoir 33, the extrusion washer 32 can also be referred to as the plunger washer.

[0028] As shown in FIG. 2, it can also be provided that adhesive 39 travels, preferably through extrusion of the adhesive reservoir 33, from the adhesive reservoir 33 into the through hole 92 in the attachment part 22 and preferably also into the hole 91 in the base part 21, where the adhesive 39 can fill the annular gap that surrounds the anchor bolt 11. This can even further improve the lateral force behavior.

[0029] FIGS. 4 and 5 show a possible detail embodiment of the unit 30 from FIG. 3. As shown in FIGS. 4 and 5, the extrusion washer 32 has a through opening 41 for the anchor bolt 11. Positioned upstream from the extrusion washer 32 is the adhesive reservoir 33, which can be, for example, a foil pouch and can contain a quantity of adhesive 39. The adhesive reservoir 33 is formed in an annular manner, for example, and surrounds the anchor bolt 11. Positioned upstream from the adhesive reservoir 33 is a sealing washer 51, which similarly has a through opening 61 for the anchor bolt 11. The adhesive reservoir 33 is thus located between the extrusion washer 32 and the sealing washer 51, wherein the unit 30 is arranged during installation such that the extrusion washer 32 faces the anchor nut 40 and the sealing washer 51 faces the base part 21 and the attachment part 22. On its front side facing away from the extrusion washer 32 and the adhesive reservoir 33, the sealing washer 51 has a sealing lip 55 for the attachment part 22, and on its back side facing the extrusion washer 32 it has a sealing sleeve 59, in which the extrusion washer 32 is slidably arranged and which radially seals the reservoir 33. The extrusion washer 32 has mixing bodies 37 and 37, which project from the extrusion washer 32 into the adhesive reservoir 33. The mixing bodies 37 are pin-shaped, and the mixing bodies 37 are arc-shaped. Together, the mixing bodies 37 and 37 form a complex geometry that ensures a particularly good mixing of the curable mass.