Abstract: A device for laying down a continuous material with the aid of a pair of profiled rolls, consisting of two wheels, the peripheries of which are provided with teeth and which form an engagement zone, is provided. The width of the teeth in the engagement zone in the direction of the center point of the wheel remains at the most the same and should increase by no means.

Abstract: An apparatus for laying down a fibrous strand in an ordered configuration comprises means for supplying a fibrous strand, means for forwarding the strand, means to impart an oscillatory motion to the forwarding strand and a moveable collecting surface whereon the strand is laid, the improvement being that the apparatus includes two closely spaced shaped plates which extend between the oscillating means and the collecting surface.

Abstract: Process and apparatus are provided for producing filaments comprising: supplying a plurality of streams of molten material; attenuating said streams of material into continuous filaments through the action of a stream of fluid moving from an attenuation means; said filaments being entrained in said fluid moving from said attenuation means, moving said stream of fluid and filaments along a first surface positioned intermediate said attenuation means and a foraminous surface; establishing a vacuum at said foraminous surface; directing said stream of fluid and filaments into said foraminous surface obliquely oriented with respect to said first surface such that a first portion of said fluid separates from the filaments and passes through said foraminous surface and a second portion of said fluid moves said filaments along the foraminous surface; collecting said filaments.

Abstract: A process and apparatus for laying highly ordered webs wherein a fibrous strand forwarded towards a collecting surface is caused to oscillate up to an amplitude equal to the desired web width and by passing between two closely spaced plates is laid in successive courses with a very high degree of parallelism and precision. A plurality of the laying devices may be used to produce thicker or wider webs or webs having layers of differing orientation directions. Various bonding methods may be applied to the ordered webs.

Abstract: An apparatus is disclosed for the attenuation or advancing of strand material, such as glass strands. The apparatus includes a single belt and a plurality of wheels around which the belt is driven and guided. The strand is attenuated as it passes between the belt and one of the wheels. The wheel which, along with the belt, attenuates or advances the strand may have a plurality of pins or bars to form its exterior surface, which surface is then discontinuous. Alternatively, this wheel surface may be continuous. The driving force for the belt comes from another of the wheels, with the driving force being applied to the belt on the opposing surface of the belt from that which contacts the strand.

Abstract: A method for producing a multifilament yarn by melt spinning of individual filaments which are grouped together to form yarn, in which, before winding, the yarn is subjected, in addition to the actual removal forces acting from the outside on the yarn, to further forces produced by gas streams which accompany the yarn in its longitudinal direction.

Abstract: For the manufacture of non-wovens, filaments are laid down on a moving surface. The filaments are deflected by means of a rotating deflector and a subsequent guide plate connected thereto. It is important that the rotating deflector deflects the filaments from the rotational axis and that the guide plate rotating synchronously with the deflector leads back at least part of the filaments in the direction of the intersection of the rotational axis and the deposition surface, this leading back being carried out advantageously to a different extent for different portions of the filament veil. This leading back being at least partial results in a considerably more uniform area weight distribution than hitherto obtained.

Abstract: Non woven webs are produced from filaments by laying down the said filaments in the form of cone sections on a moving surface with simultaneous spreading out to a filament veil with the use of rotating deflectors coming into contact with the filaments on one side only. The deflecting area of the deflectors has a plane shape. The filaments used are drawn, partially drawn or undrawn. A non woven web with particularly good properties is obtained when the axis of the bundle of filaments and the deflecting surface of the deflector form an angle of from 10.degree. to 80.degree.. To produce the web a simple and reliable device is used.

Abstract: A nonwoven fabric is produced by forming a batt of fibers which are oriented primarily transverse relative to the direction of movement of the batt, stretching said batt longitudinally relative to the direction of movement of the batt, and needling the stretched batt. Also apparatus suitable for the production of the novel fabric is disclosed.