DE7526800U - THERMALLY INSULATED FOIL TUNNEL FOR GENERAL PURPOSES SUCH AS STORAGE, ANIMAL BREEDING, ROAD, CIVIL AND BUILDING CONSTRUCTION AND CAMPING, IN PARTICULAR FOR HORTICULTURE - Google Patents

Description

DR. HEINZ PIFFKO · 7410 REUTLINGEN 11 · BETZINGEN, BRUCKLACHERSTRASSE Dr. Heinz Piffko, 7410 Reutlingen 11, Betzingen - Brucklacherstr. 4th

To the

German Patent Office
G ebraj chsmusterstel I e
8000 Munich 2

Zweibrüokenstr. 12 August 22, 1975

Dr Pi / we

I hereby apply for the details described below

thermally insulated poly tunnels for general purposes such as storage, animal husbandry, road construction, civil engineering and building construction as well as camping, especially for horticulture

to be registered as a utility model in the role of utility model.

The object to be protected as a utility model concerns a thermally insulated film tunnel for general purposes such as storage, animal husbandry, road construction, civil engineering and building construction, in particular for horticulture.

Frost-sensitive or heat-sensitive goods, animals, plants, seeds, etc. must be in in many cases are temporarily protected by thermally insulating covers. For this mats, tarpaulins, foils or the like are usually used as a makeshift or else so-called poly tunnels are used for roofing, which can be quickly assembled and disassembled are.

Such foil tunnels consist of a supporting frame and a foil tarpaulin on can be attached to the base in different ways. Foil tubes are also used as tunnel covers used and attached to the underframe by means of tensioning ropes or wires. Such Föüeniunne! have the disadvantage that, although they protect the covered property against the effects of weather such as rain, snow and hail, the thermal insulation against cold or heat however, it is very small. The interior of such poly tunnels is subject to strong temperature fluctuations subject. Polytunnels of the conventional type described are therefore for temperature-sensitive Goods etc. only partially suitable. - 2 -

Banks:

Volksbank Reutlingen GmbH. 102813000 Distribution warehouse, distribution rooms, office Telegraph Fernrul

Genossenschaftsbank Betzingen 7 460 007 Reutlingen-Betzingen. BrucklacherslraBe 4 piffko rtlng 0729849 O7121'54917

PLASTICS TECHNOLOGY DR. HEINZ PlFFKO 741Q REUTLINGEN 11 B RUCKLACH ERSTRASSE 4

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The invention is based on the object of a quickly assembled and disassembled,! Calibrated to produce transportable, thermally well insulating foam tunnel, which can be used for various purposes / can be used especially in horticulture.

This object is achieved according to the invention in that identical or different types Foiien are arranged to one another in such a way that a calm, well-insulating layer of air is created. In the simplest case, the object to be protected as a utility model consists of two superimposed arranged foils, which are welded at certain intervals so that in these pockets so-called tunnel arches can be inserted as a supporting frame. The foil webs located on top of each other are pushed apart by spacers, whereby an air cushion resting between the film webs is created, which is thermally insulating works. The film webs can be stretched and buried laterally and in the longitudinal direction during use or attached by means of pegs or ground anchors. By the flexible or rigid Tunnel arches are stretched up the film webs and result in a round or pointed arch Tunnel shape.

The particular advantage of such thermally insulated foil tunnels is that they have Can be rolled up and packaged in the smallest of spaces. Spacers can optionally are only inserted, pushed, stretched or glued between the foils at the installation site. These polytunnels can easily be manufactured and used in different sizes. They can be extended as required by overlapping.

In another embodiment, the subject of the application consists of at least two such items welded foils that at least one of these foils is profiled, whereby through the enclosed air chambers are created on the outer foils. The profiling of one, both or more Foils can be of any desired type, e.g., cone-shaped, cuboid, cylinder-shaped or the like. In the simplest In this case, the outer film is smooth and the inner film has a knob-like profile. In this embodiment of the object to be protected as a utility model, the tunnel arches (e.g., springy Wire, fire steel, GRP strips or the like) | sometimes at a certain distance through a Rows of knobs are butted and are thereby fixed for the tunnel construction. In a further embodiment, the tunnel roofing consists of 3-layer film strips, whereby the middle film web is profiled and welded to the 2 outer film webs in this way is. that dormant air cushions arise between the individual film webs, which reduce the thermal Take over the insulating effect.

757RB00 3/11/76

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To achieve the highest possible thermal insulation effect, taking into account simple assembly and transport, the outer foils should be kept a minimum distance when in use of about 0.5 cm and a maximum distance of about 3 cm from each other. At this Arrangement, a good insulation effect can be achieved, taking into account the real types of heat transfer (convection heat, radiant heat and heat conduction).

Plastic films, especially UV-stabilized ones, are used to produce the subject of the application Polyethylene foils are recommended. Depending on the intended use as a utility model objects to be protected are transparent, translucent or opaque, colored, reinforced or unreinforced plastic foils are used. These foils can be used at the Production can already be formulated for special areas of application by means of appropriate additives and / or similar or dissimilar plastic films are glued or welded to one another, to achieve maximum effects in use.

The following embodiments are intended to serve as examples:

1) PE - infrared film inside / PE-UV-stabilized film outside, composite colorless with high light transmission ; ideal for use in horticulture.

2) PVC film with low radiation permeability in the IR range inside / metallized, partially translucent, UV-coated film on the outside;

ideal for raising animals as well as in horticulture and agriculture.

3) Non-tempered PE film inside / black colored, opaque, UV-stabilized PE film outside;

Can be used for subordinate purposes, for example for storage or roofing of fresh concrete in construction, etc.

4) AntitaufoHe inside / opaque film outside;
Can be used for special crops in horticulture

5) Colorless polyester film inside / opaque, gold-colored, metallized polyester film Outside;

Can be used advantageously for expeditions, Bergsfeiger teams, in rescue services etc.

6) Flame retardant, white bubble wrap inside / flame retardant, black, UV-stabilized Flat film outside = welded in 3 layers;

e.g. for military purposes, storage etc.
etc.

75PB800 03/11/76

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PLASTICS TECHNOLOGY DR. HEINZ PIFFKO 7410 REUTLINGEN 11 BRUCKLACHERSTRASSE 4

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The film webs of the object to be protected as a utility model can also be attached to the Edge parts be welded together. To increase the tear strength and tear strength one or more film webs can be made by means of incorporated meshwork, fabric or the like be reinforced. Fabrics coated on one or both sides can also be used accordingly be used to produce the object of registration for specialty areas, e.g. camping.

The tunnel arches required to build the subject of the application consist of flexible ones Flat, round or pipe material, e.g. metal and / or plastic and / or fiber-reinforced Plastic or the like. They can be plugged or screwed into one another for better transport be made.

In the case of smaller embodiments of the object to be protected as a utility model, there is a A particular advantage is that the films and "rods" together form a handy package wrapped and then stacked or transported in the smallest of spaces.

The subject of the application can be made by welding together similar or dissimilar film webs to several connected thermally insulating air chambers with valves are provided, also be designed in such a way that the individual chambers on the usual during use Kind of filled with air or another gas, result in a polytunnel that has no rods or Tunnel arches, anchored to the ground, can be used for special purposes. This embodiment can also be folded or wound in the smallest of spaces and is therefore easy to close transport.

Claims (3)

1.Thermally insulated foam tunnel for general purposes such as storage, animal breeding, road, Civil engineering and building construction as well as camping, in particular for horticulture, characterized by at least 2 overlapping, similar or dissimilar foils into the stationary one Gas cushions are incorporated or these are built in by spacers or compressed air be generated. 2. Thermally insulated film tunnel according to claim 1, characterized in that the the Foil carrying continuous or divisible rods with the foils rolled up or can be folded. 3. Thermally insulated film tunnel according to claim 1 and 2, characterized by use of similar or dissimilar, reinforced or unreinforced plastic films and / or coated fabrics. 7526800 03/11/76