Submitted Ideas

Emil Wolski

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Member since:19.04.2011


  • Image (1507x1440) Emanuel Maia30.05.2011 19:20
    nice to have you around and i liked the idea you posted.
  • Image (180x139) JEmpl@Hyve20.04.2011 16:25
    Hello Emil Hope you're enjoying the contest so far.
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WAITSEATRUDER Extruding machine that allows to produce wait seats with variable sectional shape

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Created: 30.05.2011
Process Description:

Product Description
This new product is a concept of a wait seat, that is able to be encountered in every place, such as waiting rooms, airports, railway stations etc. This kind of the product consists of
seats and shelves, is fabricated of either plywood or plastic mould, standing on a bend-pipe-construction.

This contrivance assumes the making a one-part-product, what ousts many problems during the fabrication and in the process of use, as well.

The bench consists of seats and shelves, as mentioned, tradition wait-seat-set. But here the new product is conceived as a mono-block,

As a material for this product it would be convenient to use three kinds of stuff.

The first is a wood, that means chips of wood or a wood dust mixed with a resin or another gluing substance. It is important to choose such species, which is biodegradable or safe in the process of burning.

The second idea is to use disposed plastic stuff, that is able to be remade in the way of foaming.

Thirdly, for the high-end-products it is reasonable to implement an elastic (foamed too) material, which improve the comfort of seating.

Machine Description
The new concept of the machine consists in the multi-shaft-die, which is able to change its sectional shape. Normally, the cross section is unchangeable unless one fits another die. In contrary, in the concept of the new die, the continuous process is available and the steering allows to set another section when the extrusion is proceeded.

The variable colours of the bench could be made by means of Coextrusion Adapter.

Advantages of the making process allows the final product to be established in one gang, what reduce the costs of production and its time (another factor of costs). Furthermore, the idea of the new machine allows to extrude a shape in some variation. The size of seat or its shape can be changed automatically without any need of production line reorganisation. E.g., it solves a problem, that in the North America wider seating place is craved. Usually, a producer has to have more than one mould.

Target Group
By this product targeting is rather simple and it concerns every public space where many people need a rest. Such concocted solution provides cheap, ready-to-use product.

  • product
  • machine
more attachements and videos:
extension waitseatruder.ppt


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Image (123x160) Jumbo 30.05.2011 19:37
Good presentation. It looks very interesting. You would not get so exact transitions. Because the material is moving. If You want to do the forming later on not with the die where should the displaced material got to?
Image (180x180) fuchsg 30.05.2011 19:49
Very interesting furniture producing with a flexible die system. Problem to solve are sealings within the flexible die parts.
Image (180x180) lys 30.05.2011 22:33
I agree, good presentation! I am not versed with experience of the mechanics of extrusion enough to see/understand what exactly is going on in your manufacturing images, but I like the outcome of the final product, so if this can be made, I like it!! Good luck!
Image (2048x1536) Emil Wolski 30.05.2011 23:53
My answer to Lys: there is a ppt file attached. I've tried to show the continuity of this process (by means of presentation).

To Jumbo: to clear the idea, there is only one die, with changeable section and there is not another forming element. If yo‘re hinting the Coextrusion Adapter I can tell, I‘ve mentioned about to explain diversity of colours. I would be probably better to add other colour of feeding or to spray it up.

I realize or - better to write - I suppose that there is a problem with the feeding. When the die section is being reduced, the pressure or the speed of feeding should be reduced too. have I right?

To fuchsg: sealing is here not mentioned, It might be solved by an appropriate shape of shaft, isn‘t it. E.G. a swallow-tailed-joint, a wedge-shaped-shaft? Something that gets more leakproof, dense under the pressure of feeding.
Image (180x180) lys 31.05.2011 01:20
Ah, after seeing the PPT file, I think I now understand better how the extrusion is happening with the mechanics. At first I thought the BLUE, GREEN and ORANGE elements were material (since they matched the various colors of the seats), but now I see they are the die in various shafts (your "muti-shaft die" description). Okay, I can now visualize more clearly what you were trying to explain =). Nice job!
Hiten Chudasama 31.05.2011 04:20
Jumbo is correct, I agree with you Jumbo
Image (267x400) HGGEUS 17.06.2011 23:04
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