U.S. patent application number 14/245257 was filed with the patent office on 2014-10-09 for adhesive joint between a first hollow profile and a second hollow profile.
This patent application is currently assigned to MAGNA STEYR Engineering AG & Co KG. The applicant listed for this patent is MAGNA STEYR Engineering AG & Co KG. Invention is credited to Philipp EHRLICH, Manuel ERLACHER, Reinhard HOERMANN, Bernhard HOFER, Stefan MAIER, Franz PLANKA, Michael RUCKER, Stefan RUD, Anton SPARY, Harald ZACHNEGGER.
Application Number | 20140301775 14/245257 |
Document ID | / |
Family ID | 48082915 |
Filed Date | 2014-10-09 |
United States Patent
Application |
20140301775 |
Kind Code |
A1 |
EHRLICH; Philipp ; et
al. |
October 9, 2014 |
ADHESIVE JOINT BETWEEN A FIRST HOLLOW PROFILE AND A SECOND HOLLOW
PROFILE
Abstract
A joint connection of a first hollow profile to a second hollow
profile, in which the second hollow profile is surrounded by the
first hollow profile in an overlapping region. A core arranged
within the first hollow profile and the second hollow profile in
the overlapping region, and connected to the first hollow profile,
the core having at least one boundary surface arranged parallel and
adjacent to an inner side of the second hollow profile, and the
core is connected to the inner side of the second hollow profile
via an adhesive.
Inventors: |
EHRLICH; Philipp; (Graz,
AT) ; ERLACHER; Manuel; (Radenthein, AT) ;
HOFER; Bernhard; (Graz, AT) ; HOERMANN; Reinhard;
(Hitzendorf, AT) ; MAIER; Stefan; (Lavamuend,
AT) ; PLANKA; Franz; (St. Andrae, AT) ;
RUCKER; Michael; (Preding, AT) ; RUD; Stefan;
(Graz, AT) ; SPARY; Anton; (Graz, AT) ;
ZACHNEGGER; Harald; (Graz, AT) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
MAGNA STEYR Engineering AG & Co KG |
Graz |
|
AT |
|
|
Assignee: |
MAGNA STEYR Engineering AG & Co
KG
Graz
AT
|
Family ID: |
48082915 |
Appl. No.: |
14/245257 |
Filed: |
April 4, 2014 |
Current U.S.
Class: |
403/267 ;
156/294 |
Current CPC
Class: |
B62D 29/048 20130101;
F16B 17/004 20130101; B62D 27/02 20130101; B60R 13/08 20130101;
B62D 25/04 20130101; B62D 21/02 20130101; Y10T 403/472 20150115;
B62D 29/008 20130101; B62D 27/023 20130101; B62D 21/09 20130101;
B62D 27/065 20130101; B62D 25/025 20130101; B62D 27/026 20130101;
Y10T 29/49622 20150115 |
Class at
Publication: |
403/267 ;
156/294 |
International
Class: |
F16B 17/00 20060101
F16B017/00 |
Foreign Application Data
Date |
Code |
Application Number |
Apr 4, 2013 |
EP |
13162270.6 |
Jun 3, 2013 |
EP |
13170285.4 |
Claims
1. A joint connection, comprising: a first hollow profile; a second
hollow profile surrounded by the first hollow profile in an
overlapping region thereof; a core arranged within the first hollow
profile and the second hollow profile in the overlapping region,
and connected to the first hollow profile, the core having at least
one boundary surface arranged parallel and adjacent to an inner
side of the second hollow profile, wherein the core is connected to
the inner side of the second hollow profile via an adhesive.
2. The joint connection of claim 1, wherein: the core has a
plurality of boundary surfaces arranged opposite to a corresponding
plurality of inner sides of the second hollow profile; and the
adhesive is arranged between the core and the opposite inner sides
of the second hollow profile.
3. The joint connection of claim 1, wherein: the core has a
plurality of boundary surfaces arranged opposite to all of the
inner sides of the second hollow profile; and the adhesive is
arranged between the core and the opposite inner sides of the
second hollow profile.
4. The joint connection of claim 1, wherein the core comprises a
solid body.
5. The joint connection of claim 4, wherein the solid body
comprises a foam material which expands under in response to heat
to acoustically insulate the joint connection of the first and
second hollow profiles.
6. The joint connection of claim 4, wherein the solid body
comprises a metal.
7. The joint connection of claim 6, wherein the metal comprises
aluminium.
8. The joint connection of claim 1, wherein the core forms an inner
termination of an adhesive bath.
9. The joint connection of claim 1, wherein the core comprises a
blow-moulded component to acoustically insulate the joint
connection of the first and second hollow profiles.
10. The joint connection of claim 1, wherein the core comprises one
of a cuboidal, cube-shaped and cylindrical cross-section.
11. The joint connection of claim 1, wherein the first hollow
profile has a base which is connected to the core.
12. The joint connection of claim 1, wherein the base is
mechanically connected to the core.
13. The joint connection of claim 1, wherein the core has a collar
which is clamped into the first hollow profile.
14. The joint connection of claim 1, wherein the adhesive is
arranged between an outer side of the second hollow profile and an
inner side of the first hollow profile.
15. A joint connection, comprising: a first hollow profile having a
base extending perpendicular to sidewalls of the first hollow
profile; a second hollow profile surrounded by the first hollow
profile in an overlapping region thereof; a core arranged within
the first hollow profile and the second hollow profile in the
overlapping region, and connected to the base, the core having at
least one boundary surface arranged parallel and adjacent to an
inner side of the second hollow profile and a collar which is
clamped into the first hollow profile, wherein the core is
connected to the inner side of the second hollow profile via an
adhesive.
16. The joint connection of claim 15, wherein: the core has a
plurality of boundary surfaces arranged opposite to a corresponding
plurality of inner sides of the second hollow profile; and the
adhesive is arranged between the core and the opposite inner sides
of the second hollow profile.
17. The joint connection of claim 15, wherein the core comprises a
solid body which acoustically insulates the joint connection of the
first and second hollow profiles.
18. The joint connection of claim 15, wherein the core forms an
inner termination of an adhesive bath.
19. The joint connection of claim 15, wherein the adhesive is
arranged between an outer side of the second hollow profile and an
inner side of the first hollow profile.
20. A method for producing a joint connection, comprising:
arranging a core within a first hollow profile at an overlapping
region, and at least temporarily connecting the core to the first
hollow profile; arranging an adhesive between the core and an inner
side of the first hollow profile; inserting a second hollow profile
between the first hollow profile and the core such that the second
hollow profile contacts the adhesive, is surrounded by the first
hollow profile in an overlapping region thereof, at least one
boundary surface of the core is arranged parallel and adjacent to
an inner side of the second hollow profile, and the core is
connected to the inner side of the second hollow profile via an
adhesive.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The present application claims priority 35 U.S.C. .sctn.119
to European Patent Publication Nos. EP 13162270.6 (filed on Apr. 4,
2013) and EP 13170285.4 (filed on Jun. 3, 2013), which are hereby
incorporated by reference in their respective entireties.
TECHNICAL FIELD
[0002] Embodiments relate to an adhesive connection of a first
hollow profile to a second hollow profile, in which the second
hollow profile is surrounded by the first hollow profile in an
overlapping region.
BACKGROUND
[0003] Connected hollow profiles may be used, for example, in the
production of load-bearing structures for motor vehicles, in
particular in what is known as the "space-frame" type of
construction of bodies.
[0004] In order to connect two hollow profiles, it is known to plug
one of the hollow profiles into the other and, for example, to
weld, clip or adhesively bond the two hollow profiles in the
overlapping region. Simple adhesive connections are, however, only
moderately reliable, in particular in the case of an imprecise fit
or warping of the hollow profiles.
[0005] German Patent Publication No. DE 10 2006 044 799 A1
discloses, for example, a body module for a motor vehicle, having a
plurality of carrier profiles which are connected together and the
carrier ends of which are intended to be plugged into receiving
orifices in further carrier profiles adjoining the body module,
wherein the carrier ends are assigned to separate bar elements
which are held in a movable manner on the associated carrier
profile and are intended to be plugged, by being moved with respect
to the associated carrier profile, into the respective receiving
orifice in the corresponding further carrier profile adjoining the
body module. An adhesive connection may be made between the bar
element and the associated receiving orifice.
SUMMARY
[0006] Embodiments relate to an adhesive connection of a first
hollow profile to a second hollow profile, which is easy and
cost-effective to produce and yet is reliable.
[0007] Embodiments relate to an adhesive connection of a first
hollow profile to a second hollow profile, in which the second
hollow profile is surrounded by the first hollow profile in an
overlapping region, a core connected to the first hollow profile is
arranged in the overlapping region within the first hollow profile
and the second hollow profile, the core has at least one boundary
surface which is arranged in a manner substantially parallel and
adjacent to an inner side of the second hollow profile, and an
adhesive is arranged between the core and the inner side of the
second hollow profile.
[0008] In accordance with embodiments, a core is used as additional
component in the overlapping region of the hollow profiles, the
core at least partially reproducing the inner shape of the inner of
the two hollow profiles, namely the second hollow profile, such
that the core is located, at least regionally, in a substantially
parallel manner opposite an inner side of the second hollow
profile. In a rectangular hollow profile, this may be, for example,
a cuboidal core, and in a circular hollow profile, this may be, for
example, a cylindrical core.
[0009] In accordance with embodiments, the core and the second
hollow profile, particularly also the first hollow profile, may
have the same cross-sectional geometry, although the core is formed
in a smaller manner than the second hollow profile and the second
hollow profile is in turn formed in a smaller manner than the first
hollow profile. The boundary surface is "substantially parallel,"
since the boundary surface may also be formed in a discontinuous
manner or also have a slightly conical shape or a porous/perforated
surface.
[0010] In this way, at least one additional adhesive surface is
provided between the core, connected to the first hollow profile,
and the second hollow profile, such that the inner hollow profile,
preferably in addition to being adhesively bonded to the first
hollow profile on the outer side of the second hollow profile, may
also be adhesively bonded to the inner side of the second hollow
profile by way of the core.
[0011] In accordance with embodiments, the core may have a
plurality of boundary surfaces which are arranged opposite, that is
to say substantially parallel and adjacent to, a corresponding
plurality of inner sides of the second hollow profile, in
particular all the inner sides of the second hollow profile, in
which adhesive is arranged between the core and the opposite inner
sides of the second hollow profile.
[0012] In accordance with embodiments, the core is a solid body,
and includes in particular of aluminium or of foam material. Such
cores may also transfer buckling forces and, particularly a core
made of foam material, may in addition effectively damp undesired
noise, for example when the hollow profiles are used in a
load-bearing structure of a vehicle.
[0013] In accordance with embodiments, the core may have a
cuboidal, cube-shaped or cylindrical cross-section or shape.
[0014] In accordance with embodiments, the core may be secured,
such as, for example, mechanically, via a screw-type connection, to
a cover or base of the first hollow profile. In this way, a cover
or base, which is possibly necessary anyway, of the first hollow
profile may also be used to produce the connection with the core,
and thus, to provide a space which may be filled with adhesive.
[0015] In accordance with embodiments, the core may have a collar,
that is to say a widening, which is clamped into the first hollow
profile. The collar may be embodied in one piece with the core or
may also be formed by a component fixed to the core.
[0016] In accordance with embodiments, the core may be embodied as
a blow-moulded part, which expands in volume in response to
exposure to heat after the adhesive bath has cured, and thus
provides acoustic advantages. Thus, in a cold state, the core forms
the termination or the boundary for the adhesive bath and on
account of the expansion of the core (blow-moulded part or foam),
by application of the heat required for curing, sound insulation of
the hollow profile is produced.
[0017] In accordance with embodiments, adhesive may be arranged
between the outer side of the second hollow profile and the inner
side of the first hollow profile.
[0018] In accordance with embodiments, a method for producing an
adhesive connection may include at least one of the following:
securing, within a first hollow profile, a core at least
temporarily, in an overlapping region, providing an adhesive
between the core and an inner side of the first hollow profile,
inserting a second hollow profile, outside the core and into the
first hollow profile, such that the second hollow profile contacts
the adhesive and is surrounded by the first hollow profile in an
overlapping region, wherein the core has at least one boundary
surface which is arranged in a manner parallel to an inner side of
the second hollow profile, and the adhesive is arranged between the
core and the inner side of the second hollow profile.
[0019] In accordance with embodiments, a joint connection may
include at least one of the following: a first hollow profile; a
second hollow profile surrounded by the first hollow profile in an
overlapping region thereof; a core arranged within the first hollow
profile and the second hollow profile in the overlapping region,
and connected to the first hollow profile, the core having at least
one boundary surface arranged parallel and adjacent to an inner
side of the second hollow profile, wherein the core is connected to
the inner side of the second hollow profile via an adhesive.
[0020] In accordance with embodiments, a joint connection may
include at least one of the following: a first hollow profile
having a base extending perpendicular to sidewalls of the first
hollow profile; a second hollow profile surrounded by the first
hollow profile in an overlapping region thereof; a core arranged
within the first hollow profile and the second hollow profile in
the overlapping region, and connected to the base, the core having
at least one boundary surface arranged parallel and adjacent to an
inner side of the second hollow profile and a collar which is
clamped into the first hollow profile, wherein the core is
connected to the inner side of the second hollow profile via an
adhesive.
[0021] In accordance with embodiments, a method for producing a
joint connection may include at least one of the following:
arranging a core within a first hollow profile at an overlapping
region, and at least temporarily connecting the core to the first
hollow profile; arranging an adhesive between the core and an inner
side of the first hollow profile; inserting a second hollow profile
between the first hollow profile and the core such that the second
hollow profile contacts the adhesive, is surrounded by the first
hollow profile in an overlapping region thereof, at least one
boundary surface of the core is arranged parallel and adjacent to
an inner side of the second hollow profile, and the core is
connected to the inner side of the second hollow profile via an
adhesive.
DRAWINGS
[0022] Embodiments will be illustrated by way of example in the
drawings and explained in the description below.
[0023] FIG. 1 illustrates a side view of a method for producing an
adhesive connection of two hollow profiles, in accordance with
embodiments.
[0024] FIG. 2 illustrates a side view of the method of FIG. 1, in
accordance with embodiments.
[0025] FIG. 3 illustrates a side view of a method for producing an
adhesive connection of two hollow profiles, in accordance with
embodiments.
DESCRIPTION
[0026] FIGS. 1-3 illustrate an adhesive connection and a method for
producing the adhesive connection, in accordance with
embodiments.
[0027] The adhesive connection exists between a first hollow
profile 1 and a second hollow profile 2, in which the second hollow
profile 2 is surrounded by the first hollow profile 1 in an
overlapping region thereof. The second hollow profile 2, therefore,
is received into the first hollow profile 1.
[0028] Arranged in the overlapping region, within the first hollow
profile 1 and the second hollow profile 2, is a core 3 which is
connected to the first hollow profile 1 via a cover or base 7 and
is in the form of a cube-shaped or cuboidal solid body composed,
for example, of foam material. The core 3 has four boundary
surfaces 4 as sidewalls. The boundary surfaces 4 are arranged in a
manner parallel and adjacent to in each case one inner side 6 of
the second hollow profile 2.
[0029] As illustrated in FIG. 1, an adhesive 5 is introduced
between the core 3 and the inner sides 6 of the second hollow
profile 2.
[0030] As illustrated in FIG. 2, the second hollow profile 2 is
then arranged or otherwise inserted, pushed or placed into the
region filled with adhesive 5 as far as the cover or base 7. The
base 7 acts as a stop, such that in each case both sides of the
walls of the second hollow profile 2 are surrounded by
adhesive.
[0031] A function of the core 3 is to form the inner termination of
the adhesive bath. Furthermore, on account of the core 3, the
adhesive 5 swells upwardly or up to or over the upper edge of the
ends of the hollow profile 1 as a result of the hollow profile 2
being pushed into the hollow profile 1, with the result that it is
possible to check that sufficient adhesive 5 was present and/or
that the adhesive 5 has also been distributed over the entire
connecting surface.
[0032] The core 3 may be secured mechanically to the cover or base
7 via, for example, a centring screw 9. The centring screw 9 may
also be removed after adhesive bonding. Thus, the core 3 may be
fixed to the cover 7 of the first hollow profile 1 by the centring
screw 9 only during the adhesive bonding, for example.
[0033] As illustrated in FIG. 3, alternatively or in addition, the
core 3 may also be formed such that it has a collar 8, which is
clamped with a slight oversize into the first hollow profile 1. In
this way, on account of the inner walls of the first hollow profile
1, the collar 10 and the boundary surfaces 4 of the core 3, a space
is again created for an adhesive filling, and so the hollow profile
2 to be secured may be dipped into the adhesive bath. A hole 10 in
the second hollow profile 2 allows adhesive 5 to pass through for
improved holding of the second hollow profile 2.
[0034] The term "coupled" or "connected" may be used herein to
refer to any type of relationship, direct or indirect, between the
components in question, and may apply to electrical, mechanical,
fluid, optical, electromagnetic, electromechanical or other
connections. In addition, the terms "first," "second," etc. are
used herein only to facilitate discussion, and carry no particular
temporal or chronological significance unless otherwise
indicated.
[0035] Those skilled in the art will appreciate from the foregoing
description that the broad techniques of the embodiments may be
implemented in a variety of forms. Therefore, while the embodiments
have been described in connection with particular examples thereof,
the true scope of the embodiments should not be so limited since
other modifications will become apparent to the skilled
practitioner upon a study of the drawings, specification, and
following claims.
LIST OF REFERENCE SIGNS
[0036] 1 First hollow profile
[0037] 2 Second hollow profile
[0038] 3 Core
[0039] 4 Boundary surface of the core
[0040] 5 Adhesive
[0041] 6 Inner side of the second hollow profile
[0042] 7 Cover or base
[0043] 8 Collar
[0044] 9 Centring screw
[0045] 10 Hole
* * * * *