DE1805806A1 - Spacer for concrete shuttering - Google Patents

Abstract

Apparatus comprises:- (1) spacer cone of flexible plastic, (2) core-piece of hard plastic, (3) sealing washer of flexible plastic, (4) screwed plug of flexible plastic. Core piece screws right handed into spacer cone, with sealing washer between to prevent penetration of water from concrete. Cone fits into spacer tube passing through concrete. Tie-bar passes through whole assembly to bind wall shutters together.

Description

B e s c h r e i b u n g B e t r,: Distance cone, combined with Sealing washer and sealing plug for concrete formwork.

The invention of the spacer cone combined with a sealing washer and sealing plugs for concrete formwork, which are made of known plastic material exists, it is an object which in the concrete formwork construction for all existing concrete formwork can be applied and used.

To the prescribed and calculated measure of the concrete thickness z. B.

Reaching a concrete wall will be achieved during the previous formwork work at the two ends of a spacer tube made of plastic or steel the Spacer cones made of plastic material, combined with a sealing washer for concrete formwork, attached The two opposing formwork walls are located firmly to these spacer cones, through the center of the cones and the spacer tubes can effortlessly use the various diameters of the tensioning irons (Wire) resp. Tension rods (B o 1 z e n) carried out for tensioning the formwork will.

The hegel itself, together with the screwed-in core, has a large one Sufficient contact surface so that the formwork skin is not damaged when tensioned will respectively Can also be damaged during the concrete and compaction process If the coulter is firmly in contact with the cones O The spacer cone S combined with a sealing washer and closure stoppfer for concrete formwork, consists of the following of the enclosed Drawing of the most varied of images, made up of four main parts which belong together to form a complete unit 1.) Cone, made of flexible plastic material 2.) Core piece, made of hard PVC material 30) Sealing washer s made of flexible plastic material 4.) Sealing plug, made of flexible plastic material The spacer cone, combined , has a cavity inside with a breakthrough and right-hand thread, which is used for receiving of the core is used to keep the cone in the concrete, are at the outside profile formations attached so that it does not loosen later Ban and is therefore firmly anchored in the concrete.

However, if the cone is not to remain in the concrete, then the outside is smooth and without any ProflliusbildungO 8 Together with the core it becomes Unscrewed in clockwise direction using a hex key On the front the spacer tube made of hard PVC material is let in through a standardized recess Through the continuous inner opening of the cone with the core piece and the sealing washer is the clamping arm respectively. Tie rod carried out The core consists of one stepped base and is made of hard PVC material. Xer upper base is provided with a "real servants" in which there is a recess for reception the sealing washer is located, which is inserted, cut off with the upper edge.

The center piece is perforated in the middle and serves as a lead-through of the clamping iron at. Tie rod, according to the figures In this case up to a diameter of 10 m / m On the lower part of the opening is the hexagonal profile Visible which to accommodate a hex wrench respectively. Socket wrench serves.

If the upper part, the tegel, remains in the acetone, then only becomes the core piece, together with the inserted disc in the left-hand thread from the finished concrete screwed out The strength of the core respectively. Measure, then serves for sufficient concrete cover The remaining #egel is then later no longer visible in the concrete.

Will the unprofiled cone together with the core piece and the one in it located disc turned out, this happens in the right-hand thread BEZW. Clockwise rotation.

The remaining cavity in the concrete is then closed accordingly later.

The sealing washer is made of flexible plastic material by whose middle opening the clamping iron respectively. the tie rod passes through the task of preventing low-viscosity concrete from running in during concreting and to prevent compression process in the #egel, as well as in the spacer tube It is known that this concrete liquid has so far penetrated the cones as well as in the spacer tubes could not be prevented, so that this hardened and later unscrewing the cones and pulling the tensioning iron / wires and flute rods / bolts, could only be very difficult to carry out depending on the strength of the tensioning iron / wires and the tensioning rods / bolts, in diameter, are corresponding sealing washers with a different through hole tolerance of approx. 0.2 m / m narrowing is used. They are recessed in the upper part of the Inserted the centerpiece. This sealing washer thus has a main function the corresponding dimensions are in a scale of 1: 1 from the accompanying drawing, atis Figures 1 to 6, see Figure 7 for the plug made of flexible plastic material. This is made from one piece and provided with a # real thread. On the lower plate-shaped part there is a cross screw slot to open the plug with a corresponding cross key to be able to screw into the spacer cone anchored in the concrete in order to The opening must be closed to prevent the ingress of water.

Claims (1)

Claims B e # r *: Application for a patent for spacer cones, combined with sealing washer and plug for concrete formwork The invention relates consisting of a multi-part spacer cone made of plastic material from the 1.) K e g e 1 with G e w in d e 2.) K e r n a t ü c k w i t G e w i n d e 3.) D i h t u n g s c h e i b e 4.) V e c h l u ß 8 t o p f e n His work-related and technical application extends to the construction sector for concrete formwork construction. Precise compliance with the appropriate Concrete thicknesses - dimensions, special attention must be paid to and required This is what happens that the spacer cone used together with the Ditanzrohr, an exact concrete measure so z. 3. in the case of walls, joists and beams etc. 5. result if they are correct and fit exactly to the formwork. With the previous spacer cones, the practical application of the maladministration has been recorded that this intrusion of thin-bodied concrete flow into the punching pipes. The ones in the cones and pipes Continuous tensioning irons and tensioning rods were thereby covered with a jeton jacket which had hardened firmly, enclosed. The necessary pulling out then took place this clamping iron and tie rods could only be very time consuming and body-high exertion must be carried out. Often times the cones and Clamping iron to be chiseled out. Furthermore, the sudden demolition of the Clamping iron when pulling out the result of accidents at work Concrete, B. in exposed concrete, formed by drying out too quickly of the concrete, around the brick cracked and dried out annular stains. Unscrewing the previously known spacer cones could therefore can only be carried out with great difficulty The invention is therefore based on the object the calculated concrete dimensions must be strictly adhered to. A saving in labor and To achieve effort and to prevent serious accidents at work, as to achieve a perfect fair-faced concrete surface Closing the spacer tube as well as the distance cone against the penetration of water into the concrete is also by slightly screwing in the locking plug refer to the illustrations of the drawing from 1 to 7 ab, c