Reifenhaeuser Gmbh & Co Kg Maschinenfabrik

Reifenhauser Gmbh & Co Kg Maschinenfabrik

Pfnonwovens Holding S.r.o

Continental Reifen Deutschland Gmbh

Reifenhäuser Gmbh & Co. Maschinenfabrik

Nicolas Quick

Claudio Cinquemani

Michael Nitschke

Armin Tobay

Sebastian Sommer

Markus Jansen

Michael Maas

Florian Pfaff

Charalampos Chatziplaton

Martin Rohleder

Maurice Heidenreich

A laminate is made by first making by melt-blowing or spunbonding of multicomponent, thermoplastic, and endless filaments a first nonwoven layer lying generally in a plane and having a predetermined shrinkage capacity or potential parallel to the plane and making of thermoplastic and endless filaments a second nonwoven layer also lying generally in a respective plane and having a shrinkage capacity or potential that is smaller than that of the first nonwoven layer. The two layers are directly juxtaposed flatly on each other, and the directly juxtaposed first and second layer are bonded together only at bonded regions while leaving an array of unbonded regions distributed over a surface of the two bonded-together nonwoven layers. Then only the first nonwoven layer is shrunk so that the second layer bunches in the unbonded regions and is there raised transverse to a plane of the bonded-together layers.

Laminate and method of making same

A semifinished product for making a composite fiber molded part is made by first spinning from a row of orifices of a spinning nozzle low-melting fibers of a thermoplastic. These low-melting fibers are then combined into a laminated semifinished product with high-melting reinforcement fibers of the same thermoplastic but having a melting temperature higher than the melting temperature of the low-melting fibers.

Method of making a semifinished product

The invention relates to a method for producing a semi-finished product for producing a composite molded part (), in particular a composite fiber molded part, wherein a higher-melting reinforcement material (), in particular higher-melting reinforcement fibers are combined with lower-melting fibers () made of thermoplastic into a laminate (), wherein the lower-melting fibers are spun and after spinning are combined at a fiber temperature Twith the higher-melting reinforcement material, in particular with higher-melting reinforcement fibers, into the laminate forming the semi-finished product. The fiber temperature Tlies in a temperature range between a temperature of 25&#xb0; C. below the heat distortion temperature Tto 55&#xb0; C. above the heat distortion temperature Tof the thermoplastic of the lower-melting fibers.

Semifinished product for making molded composite part and method of making same

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Winterberg, Germany

Nicolas Quick