Title: Joint bridging construction for bridges or like structures

What is claimed is:

1. In a joint bridging construction for bridges or like structures where sealing bodies which are flush with the upper side of the roadway and are attached into recesses between upwardly extending walls in edge beams, the improvement comprising a longitudinal recess along at least one of said upwardly extending walls; a mirror image and facing longitudinal recess extending along said sealing body; a dowel part sized to snugly fit into both of said longitudinal recesses; and a longitudinal cut in said sealing body above said sealing body longitudinal recess, and adjacent the top edge of said upwardly extending wall.

2. The improvement of claim 1, further comprising a second longitudinal recess in said sealing body below said longitudinal recesses and between said upwardly extending walls.

3. The improvement of claim 1, wherein said upwardly extending walls diverge slightly outward.

4. The improvement of claim 1, wherein said sealing body further comprises portions which extend over said upwardly extending arms and are adapted to lay flush on said roadway.

5. The improvement of claim 4, wherein said longitudinal cut in said sealing body is along the juncture of said extended portions and the portion which fits between said upwardly extending arms.

6. The improvement of claim 1, further comprising longitudinal recesses in both of said upwardly extending walls, respective facing and mirror image longitudinal recesses in said sealing body and dowel parts sized to snugly fit into each of said wall and sealing body recesses.


Other info:


Inventors: Hartkorn, Alfred (Kolpingstrasse 25, 8068 Pfaffenhofen-Ilm, DE)

Application Number: 06/061681
Filing Date: 1979-07-30
Publication_date: 1981-08-11
Assignee: Hartkorn, Alfred

Primary Class(es): 14/73.100 404/68, 404/44, 52/396.060
Other Classes: E01D19/06; E01D19/00; E01D19/06; E01C11/02
US Patent Ref:

1738571	December, 1929	Gare	404/19
2622286	December, 1952	Beck	49/489
2909916	October, 1959	Johnssen	52/396
3090646	May, 1963	Johnssen	49/489
3732021	May, 1973	Rizza	14/165

Other Refs: GB1038922

August, 1966

Primary Examiner: Byers, Jr.; Nile C.
Assistant Examiner:
Attorney: Feldman, Marvin
Feldman, Stephen E.