F.lli Maris SPA

Corso Moncenisio 22, 10090 Rosta (TO)
Telephone +39 011 9567925
Fax +39 011 9567987


Hall map

K 2016 hall map (Hall 16): stand B59

Fairground map

K 2016 fairground map: Hall 16

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.02  Machinery and plant for processing
  • 03.02.001  Extruders and extrusion lines
  •  Extruders
  •  Twin screw extruders
  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.02  Machinery and plant for processing
  • 03.02.001  Extruders and extrusion lines
  •  Extrusion lines
  •  Extrusion lines for rubber

Extrusion lines for rubber

Our products

Product category: Twin screw extruders

Co-Rotating Twin-Screw Extruder VM Series

Maris co-rotating twin-screw extruders of VM series have been designed to increase the performances, for those processes which require, particularly, big quantities of soft fillers, mainly having low bulk density or long residential time (reactive processes) or efficacy removal of volatile components (solvents and monomers) present even in high percentages.

Characterized by a ratio D/d of 1,78 and a maximum screws rotation speed of 1800 rpm, the specific torque value applied with respect to the cubed screws inter-axle, and the consequent advantages are:

- Higher output
- Costs and investments reduction

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Product category: Twin screw extruders

Extruders TM HS Series

More flexibility, more throughput, more competitiveness.
To the above market requests Maris answers proposing a new TM extruder HS series, characterized by a D/d ratio 1,65, with a maximum screws speed of 1300 rpm. The torque has been increased of more than 20%, with respect to the HT series.
This solution allows to use a bigger free volume, and an enhanced available torque, permitting a production increasing, either in case of high power request or when it is necessary to feed elevated percentage of fillers and/or additives .
Thanks to the most performing materials used to manufacture some of the elements composing the extruder, these machines can be applied in the more advanced compounding and reactive extrusion processes.

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Product category: Extrusion lines for rubber

Laboratory extruder

TM20 Hi-Tech: From Maris experience a high-performances laboratory extruder

During the last years the number of trials at Maris Technological Centre has been constantly growing. Such trials are generally carried out in cooperation with the technicians and researchers of the different compounding sectors, namely techno-polymers, reactive extrusion, hot-melt, rubbers etc. A fundamental aspect for the good result of the trials is to analyse both the chemists' necessity who study the formulation aspects (feasibility with small quantities of raw materials and easy changeover of machine configuration) and the needs of the process technologists, who are interested in getting indications on the influence of the process parameters concerning the morphological and physic-chemical characteristics of the modified compounds. In both cases, it is of utmost importance to monitor the process parameters in order to elaborate an energy balance and a first, even though approximate, estimate of the scale up. The TM20 Hi-Tech is the synthesis of 40-years Maris experience in co-rotating twin-screw extruders manufacturing and it satisfies the above mentioned requirements. It follows perfectly the actual industrial tendencies which transfer to the production the experiences carried out in the laboratory. The TM20 Hi-Tech extruder has been designed and manufactured for research activity, featuring at the same time the quality, operational and performance characteristics typical of production equipments, so that it can reproduce, in a reduced scale, the behaviours and the performances.

The process

Maris TM20 Hi-Tech co-rotating twin-screw extruder is suitable to verify and analyze all processes which have to be realized on industrial scale on the production lines, such as:



-Polymeric alloys

-Reactive extrusion

- Polymers synthesis

-Hot-melt and adhesives

-Masterbatch of pigments and/or additives

-Reduction of monomers and/or solvents content


- Rubber mixing

- Rubber recycling

Technical characteristics of TM20 Hi-Tech

One of the most interesting aspects of the TM20 Hi-Tech is the flexibility which allows fast changes of configuration with respect to the raw materials introduced and the type of process. This can be easily done thanks to interchangeable and modular mechanical components, which do not require the intervention of specialized mechanical technicians.The machine has been designed and manufactured for laboratory purposes, it is highly noiselessness and therefore it is suitable for environments other than the industrial ones, such as educational and research structures.The gearbox is lubricated in oil bath. The barrel cooling is operated by a closed loop water circuit which, starting from a main distributor, cools separately each single part and it is heated by means of electrical resistances. The construction materials of barrels and screw elements can be chosen among a wide range of nitrited, anti-corrosion and anti-wearing steel. The screw geometry is self cleaning and two lobes design.

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About us

Company details

Unlimited technological evolution of extruder production

Established in 1962 for the manufacture of extruders and dies for pipes and profiles, Maris S.p.A. has evolved through time, successfully becoming one of the leaders in the first developments of polymeric products, with the aim to give its contribution to the evolution of the related technology, making compounding its own mission. This mission was made possible, during the 70's, thanks to the manufacturing of new generation co-rotating twin-screw extruders, with self-cleaning screws and sectional sectors. These developments continued in the 80's, with the manufacture of extruders having screws at two -or three- lobes, used for the production of masterbatches and techno-compounds. The 90's marked the development of applications in sectors in which co-rotating twin-screw extruders were not used. The continuous research which is the base of this evolution, along with productivity and experience acquired, places Maris as worldwide leader. Thanks to the subsequent generation of HT and subsequently HS extruders, the Company reinforces its own leading role in the compounding sector, demonstrating its mission dedicated to evolution.

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