초록 ▼

A plug-in connector for hollow sections of spacer frames for insulating glass panes with two connector parts which can be plugged together. The connector parts have one of an essentially U-shaped and box-shaped cross section. The connector parts include side walls which are adjacent to each other in

A plug-in connector for hollow sections of spacer frames for insulating glass panes with two connector parts which can be plugged together. The connector parts have one of an essentially U-shaped and box-shaped cross section. The connector parts include side walls which are adjacent to each other in a plugged-together position of the two connector parts. A positive-locking connection is arranged on the connector parts and acts on all sides at the side walls.

대표청구항 ▼

What is claimed is: 1. A plug-in connector for hollow sections of spacer frames for insulating glass panes, the connector comprising: a longitudinal center axis; a first outer connector part configured to be inserted into a hollow region of a spacer frame and a second inner connector part sized to

What is claimed is: 1. A plug-in connector for hollow sections of spacer frames for insulating glass panes, the connector comprising: a longitudinal center axis; a first outer connector part configured to be inserted into a hollow region of a spacer frame and a second inner connector part sized to be plugged into said first outer connector part, each of said first and second connector parts extending along said longitudinal center axis with an essentially U-shaped transverse cross section, said U-shaped transverse cross-section being generally defined by two side walls extending dogleggedly from a middle wall; wherein said first outer connector part has a plurality of openings in at least one of its sidewalls; wherein said second inner connector part includes a central indentation in at least one of its sidewalls so as to form a portion set back in relation to an adjacent portion of said first outer connector part and also has an embossed area extending outwardly from at least one of its sidewalls, each embossed area corresponding to and aligning with one of said openings in the first outer connector part, such that the embossed areas and openings positively engage each other and substantially prevent relative movement between said first and second connector parts in all directions. 2. A plug-in connector in accordance with claim 1, wherein: said first and second connector parts have a plurality of embossed areas and openings that engage each other at said side walls for said positive-locking connection and said openings are disposed symmetrically about a center axis of said plug-in connector which is perpendicular to said longitudinal center axis. 3. A plug-in connector in accordance with claim 1, wherein: said connector parts have four embossed areas, two of said four embossed areas arranged on each of said inner side walls and four openings, two of said four openings arranged on each of said outer side walls. 4. A plug-in connector in accordance with claim 2, wherein: said outwardly directed embossed areas are arranged at said side walls of said second inner connector part of said plugged-together position and said openings are arranged at said side walls of said first outer connector part of said plugged-together position. 5. A plug-in connector in accordance with claim 2, wherein: each of said embossed areas is a hemispherical or conical shape and a cross-sectional shape adapted to each of said openings. 6. A plug-in connector in accordance with claim 1, wherein: said inner second connector part further includes a projection forming an outwardly extending bulge at each end of said at least one central indentation in a direction along said longitudinal center axis, said projections being in contact with an opposite said outer side wall of said outer first connector part, wherein said second inner connector part has an embossed area extending outwardly from each projection, each embossed area corresponding to and aligning with one of said openings in the first outer connector part on both sides of said central axis between said projections and two adjacent open ends of the plug-in connector and positively engaging each other. 7. A plug-in connector in accordance with claim 1, wherein said outer first connector part has a recess and one or more central stops in an area of a central axis at said side walls. 8. A plug-in connector in accordance with claim 1, wherein: two central stops acting on one side are provided, said two central stops being directed toward each other. 9. A plug-in connector in accordance with claim 6, wherein: said outer first connector part has an outside depression and a recess in an area of said central axis, said outer first connector part forms an enlarged free space with said indentation of said inner connector part and said recess which extends on three sides of said outer first connector part for receiving a sealant in said area of said central axis. 10. A plug-in connector in accordance with claim 1, wherein: one of said first and second connector parts is an inner second connector part of said plugged-together position and the other of said connector parts is an outer first connector part of said plugged-together position, said inner second connector part having a middle wall between said side walls, said inner second connector part having an elevated elastic hump at said middle wall on both sides of a central axis. 11. A plug-in connector in accordance with claim 1, wherein: one of said first and second connector parts is an inner second connector part of said plugged-together position and the other of said connector parts is an outer first connector part of said plugged-together position, said inner second connector part having a concave arch between end-side support points at a free edge of said side walls. 12. A plug-in connector in accordance with claim 1, wherein: said first and second connector parts have open ends in said plugged together position. 13. A plug-in connector in accordance with claim 1, wherein: one of said first and second connector parts has retaining elements. 14. A plug-in connector in accordance with claim 13, wherein: one of said first and second connector parts has central stops, said central stops and said retaining elements being designed as spring bosses. 15. A plug-in connector in accordance with claim 1, wherein: said first and second connector parts are designed as a stamped and bent part made of metal. 16. A plug-in connector for hollow sections, the connector comprising: a longitudinal center axis; an inner connector part extending along said longitudinal center axis and having a substantially U-shaped cross section with inner side walls; an outer connector part extending along said longitudinal center axis and having a substantially U-shaped cross section with outer side walls and narrowed end walls at distal ends, said outer connector part configured to be inserted into a hollow region of a spacer frame, said inner and outer side walls of said connector parts being shaped to have said inner connector part fit into said outer connector part in a direction perpendicular to said longitudinal center axis; a positive locking connection arranged on said sidewalls of said connector parts and positively connecting said inner and outer connector parts when said connector parts are fit into each other, wherein said positive locking connection is defined by a plurality of embossed areas formed on at least one of said inner side walls of said inner connector part and a plurality of openings formed on at least one of said outer side walls of said outer connector part with said embossed areas corresponding to and positively engaging material surfaces of said openings at said side walls and substantially prevent relative movement between said inner and outer connector parts in all directions. 17. A connector in accordance with claim 16, wherein: said positive locking connection definitely, constantly and exactly connects said first and second connector parts with each other and said inner connector pan includes a central indentation in at least one of its sidewalls so as to form a portion set back in relation to an adjacent portion of said outer connector part, and wherein said inner connector part further includes a projection forming an outwardly extending bulge at each end of the at least one central indentation in a direction along said longitudinal center axis, said embossed area extending outwardly from each projection. 18. A plug-in connector for hollow sections formed by the process of: providing an outer connector part configured to be inserted into a hollow region of a spacer frame, said outer connector part extending along a longitudinal center axis with an essentially U-shaped transverse cross section and a substantially flat bottom middle wall having a first and a second outer side walls dogleggedly connected to corresponding side edges of said bottom middle wall, wherein said first outer side wall includes a first portion of a means for locking at a particular area; providing an inner connector part extending along said longitudinal center axis with an essentially U-shaped transverse cross section and a substantially flat inner middle wall having a first and a second inner side walls dogleggedly connected to corresponding side edges of said flat inner middle wall, wherein said first inner side wall includes a corresponding second portion of said means for locking placed to interact with said first portion; plugging said inner connector part inside said outer connector part so that said first inner side wall is adjacent to said first outer side wall; and moving said inner side wall alongside said outer side wall so that said first portion and said second portion of said means for locking lock said inner connector part with said outer connector part by a positive material engagement, wherein said inner connector part includes a central indentation in at least one of its inner side walls so as to form a portion set back in relation to an adjacent portion of said outer connector part, and wherein said inner connector part further includes a projection forming an outwardly extending bulge at each end of at least one central indentation in a direction along said longitudinal center axis, such that said means for locking substantially prevents relative movement between said outer and inner connector parts in all directions. 19. A plug-in connector according to claim 18, further comprising: providing a plurality of extended spring means along said first and second outer side walls to exert force on said locking means, wherein at least one of said first portion and said second portion of said means for locking is defined as an elevated protrusion extending outwardly from each projection and the other portion is defined as a hole with diameter large enough to receive said protrusion, each projection corresponding to and aligning with said hole such that the projection and the hole positively engage each other and substantially prevent relative movement between said outer and inner connector parts. 20. A plug-in connector according to claim 18, wherein four means for locking are provided with two means for locking placed apart on said first inner side wall and said first outer side wall and other two means for locking are placed apart on said second inner side wall and said second outer side wall.