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US 6,058,673 AGranted
Internal reinforcement for hollow structural elements
AssigneeHenkel Corporation
InventorJoseph S. Wycech
Life of this patent
Estimating the term…
Abstract
A reinforced beam has an internal I-beam structure with opposed adhesive foam layers. The foam layers are extruded, cut to length and placed on opposed surfaces of the I-beam. When the reinforced beam is heated, the adhesive layers expand to secure the I-beam in place.
Claims54
A reinforced structural member, comprising;
- a structural member defining a space, said structural member being made of a metal material, said structural member being in the form of a channel which forms said space, said structural member including a cap spanning said channel to form a covering wall of said structural member, said structural member further having at least two opposed walls which form said channel;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said plates being interconnected by an interconnecting structural spacing element;
- a first thermally expanded structural foam adhesive body disposed on one of said principal surfaces and a second thermally expanded structural foam adhesive body disposed on the other of said principal surfaces;
- and
- said first thermally expanded structural foam adhesive body being bonded to one of said walls of said structural member and said second thermally expanded structural foam adhesive body being bonded to another of said walls of said structural member for reinforcing said structural member.
2 more elements
An insert for a hollow structural beam, said insert comprising:
- an I beam having two opposed plates, each of said plates having a principal surface;
- a first thermally expanded planar adhesive body disposed on one of said principal surfaces;
- a second thermally expanded planar adhesive body disposed on the other of said principal surfaces;
- wherein said adhesive bodies are foam:
- and wherein said I beam is glass filled nylon.
2 more elements
A reinforced structural member, comprising:
- a structural member defining a space said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said principal surfaces being approximately parallel to one another, said plates being interconnected by an interconnecting structural spacing element;
- a first thermally expanded adhesive body disposed on one of said principal surfaces and a second thermally expanded adhesive body disposed on the other of said principal surfaces;
- and
- said first thermally expanded adhesive body being bonded to one of said walls of said structural member and said second thermally expanded adhesive body being bonded to another of said walls of said structural member;
- and wherein at least one of said principal surfaces is discontinuous such that a longitudinal space is formed therein.
3 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said principal surfaces being approximately parallel to one another, said plates being interconnected by an interconnecting structural spacing element;
- a first thermally expanded adhesive body disposed on one of said principal surfaces and a second thermally expanded adhesive body disposed on the other of said principal surfaces;
- and
- said first thermally expanded adhesive body being bonded to one of said walls of said structural member and said second thermally expanded adhesive body being bonded to another of said walls of said structural member;
- and wherein said interconnecting structural spacing element is a pair of parallel side walls.
3 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said principal surfaces being approximately parallel to one another, said plates being interconnected by an interconnecting structural spacing element;
- a first thermally expanded adhesive body disposed on one of said principal surfaces and a second thermally expanded adhesive body disposed on the other of said principal surfaces;
- and
- said first thermally expanded adhesive body being bonded to one of said walls of said structural member and said second thermally expanded adhesive body being bonded to another of said walls of said structural member;
- and wherein said reinforcing beam is glass filled nylon.
3 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said principal surfaces being approximately parallel to one another, said plates being interconnected by an interconnecting structural spacing element;
- a first thermally expanded adhesive body disposed on one of said principal surfaces and a second thermally expanded adhesive body disposed on the other of said principal surfaces;
- and
- said first thermally expanded adhesive body being bonded to one of said walls of said structural member and said second thermally expanded adhesive body being bonded to another of said walls of said structural member;
- and wherein reinforcing beam is a cementitions material.
3 more elements
An insert for a hollow structural beam, said insert comprising:
- an I beam having two opposed plates, each of said plates having a principal surface;
- a first thermally expanded planar adhesive body disposed on one of said principal surfaces;
- a second thermally expanded planar adhesive body disposed on the other of said principal surfaces;
- wherein said adhesive bodies are foam:
- and wherein said I beam is a cast cementations material.
2 more elements
A method of reinforcing a hollow structural member having top and bottom walls, comprising the steps of:
- providing an insert, said insert including a reinforcing beam, said reinforcing beam having a pair of opposed plates, each of said opposed plates having a principal surface;
- extruding a ribbon-shaped thermally expandable adhesive body bonded;
- cutting said ribbon shaped thermally expandable body into lengths which are about the same area as said principal surfaces of said opposed plates;
- placing one of said cut lengths of said thermally expandable body on each of said principal surfaces such that said thermally expandable bodies are adhesively attached to said principal surfaces;
- placing said insert inside said hollow structural member such that one of said adhesive bodies is adjacent said top of said hollow structural member and the other of said adhesive bodies is adjacent said bottom of said hollow structural member;
- and
- heating said hollow structural member and said insert to thermally expand said adhesive bodies and to bond said one of said adhesive bodies to said top of said hollow structural member and to bond said other of said adhesive bodies to said bottom of said structural member.
4 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said plates being interconnected by an interconnecting structural spacing element, said reinforcing beam is glass filled nylon;
- a first thermally expanded adhesive body disposed on the principal surface of one of said plates and a second thermally expanded adhesive body disposed on the principal surface of the other of said plates;
- said first thermally expanded adhesive body being bonded on one of said walls of said structural member and said second thermally expanded adhesive body being bonded to the other of said walls of said structural members;
- and
- wherein said adhesive bodies contain microspheres.
3 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, eat of said plates having a principal surface, said plates being separated by a predetermined distance, said plates being interconnected by an interconnecting structural spacing element,
- a first thermally expanded adhesive body disposed on the principal surface of one of said plates and a second thermally expanded adhesive body disposed on the principal surface of the other of said plates;
- said first thermally expanded adhesive body being bonded on one of said wall of said structural member and said second thermally expanded adhesive body being bonded to the other of said walls of said structural members;
- and
- wherein said adhesive bodies contain microspheres, and wherein said reinforcing beam is a cementitions material.
3 more elements
An insert for a hollow structural beam, said insert comprising:
- an I beam having two opposed plates, each of said plates having a principal surface;
- a first thermally expanded planar adhesive body disposed on one of said principal surfaces;
- a second thermally expanded planar adhesive body disposed on the other of said principal surfaces;
- wherein said adhesive bodies are foam;
- and
- wherein said I beam is glass filled nylon.
3 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said plates being interconnected by a interconnecting structural spacing element;
- a first thermally expanded adhesive body disposed on the principal surface of one of said plates and a second thermally expanded adhesive body disposed on the principal surface of the other of said plates;
- said first thermally expanded adhesive body being bonded to one of said walls of said structural member and said second thermally expanded adhesive body being bonded to the other of said walls of said structural members;
- and
- wherein said reinforcing beam is glass filled nylon.
3 more elements
A reinforced structural member, comprising:
- a structural member defining a space, said structural member having two opposed walls;
- a reinforcing beam disposed in said space, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being interconnected by an interconnecting structural spacing element;
- said first thermally expanded adhesive body being bonded to one of said walls of said structural member and said second thermally expanded adhesive body being bonded to the other of said walls of said structural members;
- and
- wherein said reinforcing beam is a cementitions material containing microspheres and cement.
2 more elements
A reinforced structural member, comprising:
- a structural member having a plurality of walls with a channel shaped inner surface formed by said walls to define a space,
- a reinforcing beam disposed in said space, said reinforcing beam being of differing shape than the shape of said channel shaped inner surface, said reinforcing beat being non-uniformly spaced from said channel shaped inner surface, said reinforcing beam having two opposed plates, each of said plates having a principal surface, said plates being separated by a predetermined distance, said plates being interconnected by an interconnecting structural spacing element;
- a first thermally expanded structural foam adhesive body disposed on one of said principal surfaces and a second thermally expanded structural foam adhesive body disposed on the other of said principal surfaces;
- said first thermally expanded structural foam adhesive body being bonded to one of said walls of said structural member and said second thermally expanded structural foam adhesive body being bonded to another of said walls of said structural member for reinforcing said structural member, and open spaces in said structural member between said inner surface and said reinforcing beam and said expanded structural foam.
1 more element
Dependencies are inferred from the claim text.