DE8615696U1 - Strand-like sealing profile - Google Patents

Description

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-3- Strand-like s Sealing profile

The invention relates to a strand-like sealing profile for window panes set in wooden frames. Such sealing profiles are essential for the quality of windows and are already known in various embodiments.

For example, German utility model 77 18 161 describes a string-like sealing profile to be used for window panes in wooden frames, the cross-section of which has a central web, four sealing lips arranged on one side of the central web and a support shoulder arranged at the upper end of the central web opposite the uppermost sealing lip. German utility model 78 20 526 describes an improvement to this sealing profile by attaching a sealing strip made of foam rubber or another elastomer with closed ^pores to the underside of the support shoulder and running along the string-like sealing profile. This sealing strip is intended to cover the fine lines and open capillaries of the wood surface and prevent water from penetrating.

Such an additional sealing tape must either be subsequently connected to the sealing profile, which can lead to later detachment, or extruded directly during the production of the sealing profile, which is a relatively complex process. In addition, the sealing tape essentially only rests on the top of the wooden frame and does not surround its edge, which easily leads to sealing defects, especially due to material fatigue after a long period of time.

An improved strand-like sealing profile for window panes set in wooden frames is shown in DE-OS 30 48 744 , in particular in Figure 2. This sealing profile has a central web in cross section, five sealing lips arranged on one side of the central web, one of which

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1 is located at the upper end of the central web and forms an obtuse angle with the axis of the central web.

't sealing surface, an anchoring foot arranged on the other side of the central web and between its two ends and a 5 anchoring foot arranged at the upper end of the central web.

: ordered support shoulder, whereby in the area of the concave

, Ie between the central web and the support shoulder a

This strip of permanently plastic sealing compound is easy to insert into the groove 10 and is placed against the long edge of the wooden frame

_t pressed so that a good permanent sealing effect is achieved.

&iacgr; However, since the strand of permanently plastic sealing compound is in the

mentioned cove is only inserted, the Ge-

I 15 risk that if improperly installed this permanently plastic

', strand either completely or, if its length is not sufficient,

is omitted in certain areas of the frame circumference or when the sealing profile is pressed in, it comes out of its

i Optimal position shifts, which leads to sealing errors and

j 20 would lead to the penetration of water and water vapor.

j The problem underlying the invention was therefore

&Idigr; to develop an improved strand-like sealing profile for

&igr; Wooden framed window panes, which is a

i 25 improved sealing is ensured and the possibilities of improper installation and associated sealing defects

I reduced.

The strand-like sealing profile according to the invention, the cross-section of which has a central web, at least two sealing ribs arranged on one side of the central web, one of which is located at the upper end of the central web and has a sealing surface enclosing an obtuse angle with the axis of the central web, an anchoring foot arranged on the other side of the central web and between its two ends and a support shoulder located at the upper end of the central web, and in which a sealing lip is arranged in the area of the concave groove between the central web and the support shoulder.

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ter arranged strand of permanently plastic sealing compound is arranged * is characterized by the fact that in the area of the concave groove between the central web and the support shoulder a recess partially enclosing the strand of sealing compound is arranged in such a way that the strand circumference is encompassed by more than 50% of the support shoulder and the central web.

This inventive design of the sealing profile |

iö it is possible to press the sealing compound strand into the recess of the strand-like sealing profile at the manufacturer’s site and to check that the permanently plastic sealing compound strand extends over the entire length of the sealing profile, so that during assembly there is no risk of carelessly pouring the sealing compound strand into the cove or cutting the sealing compound strand shorter than the strand-like sealing profile itself, so that certain areas of the window perimeter remain unsealed at this point.

The design of the sealing profile according to the invention also ensures that the sealing compound strand cannot move out of its optimal position during assembly, since it is held firmly in the recess by the support shoulder and the central web. The sealing profile according to the invention thus ensures an optimal sealing effect while at the same time ensuring assembly safety and ease. The sealing profile achieves absolute tightness at the parapet edge, corner vulcanization of the sealing profile is unnecessary, the profile can be loaded immediately and has a beautiful aesthetic appearance thanks to smooth, evenly running profile edges.

In order to completely prevent slipping out of the recess on the one hand and to achieve a good sealing effect on the parapet edge on the other, it is advisable for the recess to cover 60 to 80% of the strand circumference, preferably about 75%.

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The shape and dimensions of the cross-section of the recess are suitably _adapted to the shape and dimensions of the cross-section of the sealing compound strand so that the sealing compound strand has a firm seat in the recess* The cross-section of the sealing compound strand and the recess can be designed differently, such as square or otherwise non-circular, whereby the cross-section is preferably circular or round* This makes it easier to press the sealing compound strand into the recess and improves the

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A further improvement in the sealing effect and ease of installation of the sealing profile according to the invention is achieved by the anchoring foot in cross section being a hook bent towards the lower end of the central web, which is in contrast to the anchoring foot according to DE-OS 30 48 744, where the anchoring foot has a rectangular cross section and is therefore relatively difficult to press into the corresponding window groove during installation and at the same time exerts little sealing effect in this groove, so that an additional sealing cord must be inserted.

The hook-like design of the anchoring foot according to the invention, on the other hand, makes installation easier because the hook can be easily compressed. By attempting to bend back into the uncompressed shape, the hook presses itself firmly against the sides of the window groove and thus forms a second excellent seal without the need for an additional sealing cord.

By definition, the sealing lip at the upper end of the central web should have a sealing surface that forms an obtuse angle with the axis of the central web* The other sealing lips on this side of the central web can be perpendicular or angled to the central web. It is useful if the remaining sealing lips, apart from the one at the upper end of the central web, are designed to be inclined away from the upper end, i.e. downwards.

This also makes installation easier and increases the sealing effect*

As is known with such sealing profiles, several further sealing lips can be provided below the sealing lip arranged at the upper end of the central web. Preferably, in any case, another sealing lip is arranged at the lower end of the central web. It is particularly preferred if two further sealing lips are located below the sealing lip arranged at the upper end of the central web, one of which is the one at the lower end of the central web.

The invention is further explained by the drawing. 15

This shows a strand-like sealing profile according to the invention in cross-section«

This sealing profile has a central web 1 in cross-section, from which three sealing lips 2, 4 and 5 extend on one side, while a support shoulder 3 and an anchoring foot 6 extend from the central web 1 on the other side.

The sealing lip 2 is located at the upper end of the central web 1 and is inclined towards the central web in such a way that the sealing surface 7 of the sealing lip 2 forms an obtuse angle with the axis of the central web 1. In contrast, the sealing lip 5 is at the lower end of the central web and the sealing lip 4 in between is inclined towards the lower end of the central web.

The anchoring foot 6 is hook-shaped.

In the area of the concave groove between the central web 1 and the support shoulder 3, a recess 9 with a circular segment-shaped cross-section is provided. In this recess 9 there is a strand 8 of permanently plastic sealing compound with a circular

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t cross-section, the ¹ diameter of this strand being such that the strand sits firmly in the recess 9.

The circumference of the recess 9 encompasses the strand 8 to approximately U 5 75 %, so that the strand sits firmly in the recess _# but on the other hand a sufficient part of the surface of the

• StrJinges is exposed to press against the parapet edge

of the wooden window to provide an excellent seal.

IQ The sealing lip 4 is designed and arranged so that it

corresponding notch cut in the corner area can run continuously and thus seals seamlessly.

The composition of the permanently plastic sealing compounds and the sealing profile itself is standard. The sealing profile consists of rubber or another elastomer, with its hardness adjusted as required.

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Claims (3)

Our reference: MK 275 P 86 Munich, 24.1.1989 Protection claims 1. Strand-like sealing profile made of elastomeric material for window panes set in wooden frames, with a central middle web (1), from which at least two sealing lips (2, 4, 5) protrude to one side, one of which (2) protrudes at an obtuse angle at the upper end of the middle web (1), and with an anchoring foot (6) on the other side of the middle web (1) and a support shoulder (3) at the upper end and a strand (8) made of a permanently plastic sealing compound arranged in the concave groove between the support shoulder (3) and the middle web (1), characterized in that the concave groove is designed as an approximately circular segment-shaped recess (9) in the corner area between the support shoulder (3) and the middle web (1) and has a depth such that it encloses the sealing compound strand (8) inserted into it over approximately three-quarters of its circumference, and that on the opposite side of the A sealing lip (4) protruding laterally and also running through the corner area of the window frame is provided on the central web (1) approximately in the area of the lower edge of the recess (9). 2. Strand-like sealing profile according to claim \, characterized in that the anchoring foot (6) in cross section is a hook bent towards the lower end of the central web (1). tt t tttt ** ** · * . &igr;&igr;&igr;·&igr;&igr; > > » t ·* t * tt 4»ft·* » 1t 3. Strand-like sealing profile according to claim 1, characterized in that one of the sealing lips (5) is designed to project laterally at the lower end of the central web (1). You are i «··« H »t ··