Joints and connections – Molded joint – Including mechanical interlock
Patent
1980-07-13
1983-02-15
Kundrat, Andrew V.
Joints and connections
Molded joint
Including mechanical interlock
403292, 403266, F16B 1204
Patent
active
043738290
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a device for the joining of components, by way of example furniture components, which device comprises at least one connecting piece, which in mounted position of the components is attached to said components in such a way that they are held together. The connecting piece has surfaces, which are adapted to be attached to at least one of the components by means of a glue joint, the glue for the glue joint being supplied by at least one body, which in an initial state encloses at least one not directly accessible quantity of glue, which by mechanically influencing the body at the mounting of the connecting piece in the component or components, is transformed to an adhesive active phase.
BACKGROUND
Especially when assembling of wooden components, as is the case with furniture delivered in the form of a kit to be assembled by the retailer or the customer, a method of assembly has to be used, which is very simple, and the traditional glueing is therefore out of the question. In known mounting methods, which are available for this and the like purposes, screws and similar are used, which especially in wooden components due to the shrinkage of the material requires a subsequent tightening up.
A device for the simplified glueing together of parts to be connected with each other is for example known from the Norwegian patent publication No. 138,914. In the initial state of the quantities of glue they are enclosed in receptacles of a material easy to tear. During assembling the receptacles are torn and the glue is made to flow out between the components, which are going to be joined.
However, the system is relatively complicated in use involving the handling of several components, which can easily get lost or which can be forgotten in connection with the mounting. The system therefore lends itself to professional use only.
The problem which shall be solved by means of the present invention constitutes the provision of a device for the joining of components of the kind, which has been described above, and which in the condition of use comprises a unit, of which the mass of glue is an integrated part in such a manner that several components need not be handled. In spite thereof such a supply and such a spreading of the glue shall be obtained that a reliable glue joint is obtained.
The problem in question is solved by providing the connecting piece, which constitutes the body, with a portion with double walls, between which the quantity of glue is placed, the cross-section of the connecting piece across said portion being larger than the mounting space, in which the connecting piece shall be introduced when assembling the components in question, so that during the assembling operation the double walls are pressed against each other squeezing out the glue onto the outer surfaces of the connecting piece through openings provided in the walls.
By means of the invention a device for the joining of components is obtained, which is very simple to use and in which only one unit at each point of attachment is necessary.
BRIEF DESCRIPTION OF DRAWINGS
Two embodiments of the invention are illustrated in the accompanying drawings, in which
FIG. 1 is a side elevational view of two furniture components in an assembled condition,
FIG. 2 is a front view of one of the furniture components,
FIG. 3 is a view of the device according to the first embodiment,
FIG. 4 is a cross-sectional view of the embodiment along the line IV--IV in FIG. 3, and
FIG. 5 is a cross-sectional view of the second embodiment.
BEST MODE OF CARRYING OUT THE INVENTION
It is a fundamental idea of the invention that the components are held together by means of a connecting piece, which is glued to the components and thereby obtains a permanent connection with them and in that way holds them together. However, in order to make possible that the glueing can be carried out under the non-professional conditions mentioned, the device has got a certain shape according to the invention, which will make the intended g
REFERENCES:
patent: 3140967 (1964-07-01), Kaufmann et al.
patent: 3756635 (1973-09-01), Beers
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