SE456513C - DOES INCLUDE ALL OR PARTIALLY DIFFERENT ELEMENTS ORGANIZED TO CONSUME SOUND ENERGY - Google Patents

Description

456,513 in the blocking factor for "spot-wise" adhesive attachment.

Previously, it was simply not possible to master adhesive attachment of the edges of the door leaf panels, the dimensions of which vary from run to run, and in desired discrete areas of the door leaf panels and the interior, in any other way than by manual glue application, i.e. a craft procedure that is impossible in series production.

The above has led to soundproof doors, especially interior doors, being given greater thickness and thereby greater sound-absorbing mass on the inside, which has sometimes also been provided with metal sheets.

The need to reduce door thickness to a thickness corresponding to "normal frame depth" is great and there has long been a strongly expressed desire to give a known spot-wise attachment of the inside a serial production-like appearance.

The invention has precisely the purpose of achieving the aforementioned.

The invention provides a door. comprising a frame, attached to the frame, stiffening the door, coated with adhesive, disc-shaped elements forming the sides of the door, and a sound-insulating interior comprising completely or partially separated elements arranged to dissipate sound energy. The door is characterized in that between at least one of the door sides and substantially the entire interior there is arranged an element having openings of relatively insignificant thickness, and that the interior is held against the door side by the adhesive acting through the openings in the said element.

In the preferred embodiment, the disc-shaped element is completely coated with adhesive.

The element having openings is suitably selected as an element of a mainly flexible nature.

In one embodiment, the interior comprises elongated, relatively narrow lamellas, which are covered on both sides of the interior by the element having openings.

In a suitable embodiment, the element having openings is a plastic film with a thickness in the range of about 25 μm to 100 μm. Preferably, the openings occupy an area of about 10 to 70% of the entire area of the film. In an advantageous embodiment, the openings are distributed mainly so that each individual lamella comes into contact with the adhesive at some point. The distribution is, for example, zig-zag-shaped.

The invention also provides a method for manufacturing a door, comprising a frame, attached to the frame, stiffening the door, coated with adhesive, disc-shaped elements forming the sides of the door, and a soundproofing interior comprising completely or partially separated elements arranged to dissipate sound energy. The method is characterized in that an element having openings of relatively insignificant thickness is placed between one door side and the interior, and that the adhesive is caused to act through the openings to connect the interior with the door side in spots.

Preferably, the door side is completely covered with the adhesive.

The element having openings is suitably chosen as an element of insignificant thickness and of a mainly flexible nature, for example of plastic.

The invention will now be exemplified with reference to the accompanying drawing, where Fig. 1 shows in schematic exploded view the elements of a soundproof door according to the invention, Fig. 2 shows an example of a perforated element used for the adhesive connection of the interior with the door sides, and Fig. 3 shows another example of a perforated element.

The reference numeral 10 refers to a door frame, for example of solid wood. A slat package 11 comprising adjacent longitudinal slats 12, alternatively a nearly sawn-through board, suitably of soft wood fiber material, is dimensioned to be received within the frame 10 .

Panels 13, preferably of hard wood fiber material, are dimensioned to completely cover the door frame 10 and are completely coated with adhesive material, for example urea glue, on the sides thereof facing the frame.

Relatively thin elements 14, preferably of flexible material, for example plastic film with a thickness of approximately ~10 pm to 100 pm, are shown between the respective disc 13 and the frame 10.

The elements 14 have a dimension corresponding to the inner dimension of the frame 10, meaning that the frame sides come into direct contact with the respective door leaf side as soon as the package in Fig. 1 is put together.

Openings 15, in the present case circular, are distributed over the element 14, so that each individual lamella at some point comes into contact with the adhesive.

The full-coverage adhesive coating on each plate 13 will act along the entire edge and across the entire width of the frame 10 and through the openings 15 on either side of the frame.

The connection between frame and panels is therefore the usual one and largely the one that gives the door its stability and strength.

The connection between the door inner surface and the panels is patchy due to the elements 14. It has been found that an adhesive area of around 10 to 70% of the total area is appropriate to give the slat package 12 the desired movement capability and the door the required sound-absorbing character.

In fact, it has been found that the door thickness can be reduced by almost 25% while maintaining sound reduction. Instead of circular openings 15 in the elements 14 of insignificant thickness, one can, for example, consider square openings according to Fig. 2 or slots according to Fig. 3.

Claims (10)

456 513 PATENT CLAIMS Door, comprising frame, attached to the frame, the door stiffening, adhesive-coated disc-shaped elements (13) forming the doors, and sound-insulating interior (ll) comprising completely or partially separated elements arranged to consume sound energy, characterized by arranged between at least one of the door sides (13) and substantially the entire inner measure (II) an opening (15) having elements of relatively insignificant thickness, and that the inner measure is held against the door side by the adhesive acting through the openings (15) in the said the element (14). Door according to claim 1, characterized in that the sheet-shaped elements (13) are completely coated with adhesive. 3. A door according to claim 2, characterized in that the element having the openings has a substantially flexible character. Door according to one or more of the preceding claims, characterized in that the inner measure (ll) comprises elongate, relatively narrow slats (12), which are covered on both sides of the inner measure by elements having openings (14). 5. A door according to claim 4, characterized in that the opening having the element (14) is a plastic film with a thickness in the range of about 25 μm to 100 pan A door according to claim 5, characterized in that the openings occupy an area of about 10 to 70% of the entire area of the film. 7. A door according to claim 6, characterized in that the openings are distributed mainly so that each individual lamella at some point comes into contact with the glue. 456 513 A method of manufacturing a door according to any one or more of the preceding claims, comprising a frame, attached to the frame, the door stiffened, adhesive-coated, disc-shaped elements forming the sides of the door, and a sound-insulating element comprising wholly or partially separated elements arranged to consume sound energy. , characterized in that an opening having elements of relatively insignificant thickness is placed between one door side and substantially the entire inner measure, and that the adhesive is caused to act through the openings to spot-connect the inner measure to the door side. 9. A method according to claim 8, characterized in that the door side is completely covered with the adhesive. A method according to claim 9, wherein the opening having the element (14) is selected as a substantially flexible element, for example of plastic.