US 4,524,112 AGranted

Composite profiled member

OwnerOtto Willertinventor

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Abstract

A composite profile member includes two metal profile bars and at least one thermally insulating, one-piece insulating bar which engages into a clamping groove of the metal profile bars. The insulating bar is fixed in the respective clamping groove by its hook-shaped groove webs which are pressed against the insulating bar, with corresponding centering means being provided at the insulating bar and in the respective clamping groove to assure dimensional accuracy when the groove webs are pressed on. The centering means in the bottom of the respective clamping groove is a centering groove which has a trapezoidal cross section that widens in the direction toward the insulating bar and the centering means in the parts of the insulating bar which engage in the clamping grooves are members which have a trapezoidal cross section that becomes narrower toward the metal profile bars so as to engage in a centering manner in the respective centering groove. Additionally, in their longitudinal direction, the insulating bar and/or the metal profile bars are provided with at least one strip to which can be fastened an elastic center seal, with the strip stiffening the seal and accurately fixing its position while performing a sealing function.

Claims17

Dependent claims

In a composite profiled member including two metal profiled bars, and at least one thermally insulating, one-piece insulating bar having two generally flat sides and two opposed engaging sides, with each said engaging side engaging into a respective clamping groove on a respective one of said metal profiled bars and being fastened in the respective said clamping groove by respective hook-shaped groove webs which define the sides of each said clamping groove and which are pressed against said insulating bar, and wherein corresponding centering means are provided on said insulating bar and in each respective said clamping groove to assure dimensional accuracy when said groove webs are pressed against said insulating bar to fasten same;

the improvement wherein:
said centering means includes a bottom for each respective said clamping groove which is provided with a centering groove which has a trapezoidal cross section and widens in the direction toward said insulating bar, and a part of each said engaging side of said insulating bar which has a trapezoidal cross section that becomes narrower in the direction toward the facing one of said metal profiled bars with said part centeringly engaging in the respective said centering groove;
an elastic seal is provided;
and means are provided for fastening said seal to said insulating bar so as to stiffen said seal and precisely fix its position when said composite profiled bar is cut to length, said means for fastening including at least one rib which projects from one of said generally flat sides of said insulating bar, is shaped so as to fasteningly engage said seal, extends in the longitudinal direction of said insulating bar, and to which said elastic seal is fastened.

1 more element

A composite profiled member comprising a first metal profiled bar having an inner side, a second metal profiled bar having an inner side, and an insulating bar, said inner sides of said first and said second profiled bars facing each other and said insulating bar being arranged therebetween;

and wherein:
a respective pair of deformable inwardly directed webs is disposed on each of said first and second metal profiled bars adjacent said inner sides for clamping said insulating bar in between said first and second metal profiled bars when said webs are deformed and pressed toward said insulating bar;
each of said inner sides of said first and second profiled bars is shaped to provide a respective centering groove for said insulating bar, with each said centering groove having a trapezoidal cross section with an opening angle which widens in the direction toward said insulating bar, and being flanked by a respective pair of said webs;
said insulating bar has a first and a second side which face said first and second metal profiled bars, respectively, which extend between the associated respective said pair of webs and which partially contact the respective said inner sides of said first and second profiled bars within the respective said centering grooves, said first and second sides of said insulating bar each having a trapezoidal cross section whose taper angle is at least as great as said opening angle of the contacted said centering groove;
and, each respective pair of webs is deformed to engage said insulating bar behind the contacting portions of said first and second sides of said insulating bar, whereby said first and second metal profiled bars maintain a position at a precisely defined distance from one another which is the same as that which existed during deformation of said webs.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 06/519,860Filed 3 Aug 1983
Priority: DE 32292295 Aug 1982
Granted: 18 Jun 1985
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

E06B 7/231
With a single sealing-line or -plane between the wing and the part co-operating with the wing: with a solid sealing part
E06B 3/273
Frames with special provision for insulation: with prefabricated insulating elements held in position by deformation of portions of the metal…
E06B 2003/26352
Specific form characteristics: hollow
E06B 2003/26389
Performing extra functions: holding sealing strips or forming sealing abutments