Curb molds

Curb molds

Strong products

Curbs primarily have functional properties for their use as strict separation of areas with different vertical alignments. At the same time, they can be produced with project-specific color and format.

Curb molds

KOBRA curb molds enable the production dimensionally stable and strong products. The hardened insert parts and swords are extremely wear-resistant and ensure a long service life for the concrete block mold.

Parts subject to particularly heavy-duty use can be individually replaced if necessary while assemblies with less wear can continue to be used.

The matching frame for any insert.

Best in technology

All KOBRA technologies are united under the brand KOBRA POWER. The construction of the concrete block mold depends on the stone systems to be manufactured as well as the individual conditions in the plant. Therefore, for each product type exist a matching technology, which is adapted to the products processes specific demands.

The POWER »Boltline 3™« is used for the production of paver and slab systems from 300mm edge length.

POWER »Boltline 1™« is used for all high products, such as hollow block, solid block, curb and round curb molds.

POWER »Replace™« was developed for the production of small series products. The frame and insert in the mold bottom are joined by a retainer lock.

For perfect results

Best in precision

With the KOBRA hardness standards, extremely high hardness can be achieved and thus particularly robust and wear-resistant concrete block molds can be produced. Different hardening processes are used, depending on the mold technology, helping to achieve smooth production processes.

With this production method, KOBRA combines the advantages of state-of-the-art milling and hardening technology with the tried and tested options of flame-cutting technology. »Optiflame carbo 68 plus™« molds have flame-cut cavity contours and exactly milled base layout.

Further development of the in-house carbo hardening technology enables the surface hardness to be increased to 68 HRC.

All hardness standards labeled Optimill have milled cavity walls in the mold insert, which ensure perfect angularity in the cavity. The tolerances are smaller than +/- 0.3mm. The more exact and smooth the cavity, the more exact the block!

»Optimill nitroTM« MOLD describes the nitriding process that can be used primarily for mold inserts that are high, welded and are particularly susceptible to warping.

Optiflame describes the use of milling and tried and tested flame-cutting technology together in a mold. The cavity contours are flame cut, the base layout is precisely milled.

For specific requirements

Best in pracitcal details

The stone´s product quality can be increased by the installation of KOBRA FEATURES into the concrete block mold. Each product has its individual and special demands on the mold. In order to meet these requirements, we have developed useful features, which optimally support your production processes.

The FEATURE »Flexshoe™« is a useful compacting aid, especially for large format products and special formats. The tamper shoes are mounted on rubber supports which ensure improved compacting results and higher block surface qualities.

The »Headguide™« FEATURE ensures absolutely correct and centered installation of the overall mold in the machine and thus protects particularly sensitive mini chamfers on large-format tamper shoes.

With the »Hotshoe™« FEATURE, which consists of heatable tamper shoes and an integrated temperature control device, verifiably higher surface qualities can be achieved on the concrete block.

The single piece »Singlebolt™« plunger is the logical continuation of the KOBRA modular system.

The »Multigroove™« FEATURE describes holding grooves in the insert walls, which hold the block while the mold lifts up from the production board.
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