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| Number | Title | Issue Date |
| 7305739 | Apparatus for tow opening An apparatus for opening a crimped multifilament tow comprising: a source of crimped multifilament tow; at least one pair of opposed gripping rollers comprising a first roller which is a metal roller and a second roller which is a smooth-surfaced roller made of a ma... | 12/11/2007 |
| 7090792 | Method of selectively shaping hollow fibers of heat exchange catheter A group of multiple hollow fibers may be shaped to introduce angular divergence among the fibers, or to introduce a selected longitudinal oscillation into the fibers. In one shaping technique, the fibers are held in parallel while upper and lower crimping assemblies... | 08/15/2006 |
| 6079087 | Method for making wavy tapered brush bristles A machine makes tapered and also uniformly waved bristles for brushes, especially useful for paint brushes, by a method of applying uniform crimping pressure to crimp straight tapered bristles between two crimping gears (20, 30) having mating indentations... | 06/27/2000 |
| 5839265 | Cooling device for false twisting machine A cooling device for a false twisting machine having a fixed wall member 16 and movable wall members 18a and 18b which have faced side surfaces between which yarn treatment passageways 19a and 19b are formed. The facing side surfaces are formed with yarn ... | 11/24/1998 |
| 5771674 | Process and apparatus for crimping fibers An apparatus is provided for crimping and heat setting a filament or a tow of filaments and to provide fine filaments. The apparatus has at least one heating zone with means for heating a filament or a tow of filaments in an inert and/or oxidizing atmosph... | 06/30/1998 |
| 5361468 | System for automatically rippling and hackling wig yarns A system for automatically rippling and hackling wig yarns. The system comprises a rippling heater having a pair of wave rollers each having a waveformed surface and a heating coil, a cooler having a cooling belt and a blast unit comprising a blast fan, a... | 11/08/1994 |
| 5188265 | Continuous sheet pleating device for making overlapping pleats and arrangements for making areas with no pleats and method of making pleats The device includes a toothed wheel on which pleats of a sheet 10 are preformed, in some cases with the aid of a second toothed wheel 31, and a device for holding by a vacuum; then the preformed pleats are transferred to a pleat gathering wheel 13 either ... | 02/23/1993 |
| 4979274 | Process and apparatus for crimping fibers An apparatus for crimping and permanently heat setting a fiber or tow without stress or tension, comprising a mechanical crimping means, a conveying means which receives the crimped fiber or tow, and a heating or irradiation zone through which the conveyi... | 12/25/1990 |
| 4977654 | Process and apparatus for crimping fibers An apparatus for crimping and permanently heat setting a fiber or tow without non-uniform stress or tension, comprising a conveying means having a multiplicity of openings, means for supplying the fiber or tow across the conveying means, means for inserti... | 12/18/1990 |
| 4890775 | Apparatus for making deep flute shade A pleating machine with two engaging pleat forming chain conveyors, one with forming rollers and the other with forming plates both directly mounted on special links in the chains.... | 01/02/1990 |
| 4494922 | Apparatus for stamping filamentary material for helically coiled slide-fastener coupling elements A stamping apparatus disclosed deforms a filamentary material to provide coupling heads and the like at predetermined intervals along the length of the filament which is to be coiled and attached to stringer tapes for a slide fastener. The apparatus inclu... | 01/22/1985 |
| 4273823 | Gear crimped polyester yarns A drawn gear-crimped polyester yarn with latent bulk is provided, the amount and nature of the bulk being such that the yarn has an initial crimp as defined of at least 1.5%, preferably of above 2%, and a mechanical crimp stability as defined of above 0%.... | 06/16/1981 |
| 4223063 | Pattern drawing of webs, and product produced thereby A process for differentially drawing films and non-woven fiberous webs for increased drapability and strength of webs including at least in part cold drawable polymeric materials or blends thereof including incompatible polymer blends and polymeric matrix... | 09/16/1980 |
| 4202719 | Single facer drive Each corrugating roll on a single facer machine is separately driven at substantially the same speed without the corrugating rolls being geared directly together and without transmitting driving torque through mating flutes on the rolls whereby the rolls ... | 05/13/1980 |
| 4133088 | Room temperature crimping of fibrillated film material A crimp finished yarn wherein a mesh like structure consisting of a large number of thick filaments and a large number of thin filaments intersecting with the large number of thick filaments is formed by opening an elongated thermoplastic synthetic resin ... | 01/09/1979 |
| 4109356 | Process for texturing synthetic fibrous material A plurality of synthetic fibrous textile materials such as polymeric yarns and staple fibers are textured by a procedure which imparts a variety of spaced deformations in a random sequence. The fibrous textile materials are fed between two opposed pressur... | 08/29/1978 |
| 4050639 | Method and apparatus for advancing strand Method and apparatus for advancing continuous glass strand during times the strand is not being collected into a package by a winder. A pair of cooperating rolls having a plurality of helical teeth are rotated to advance the strand therebetween.... | 09/27/1977 |
| 4007519 | Indicating device for yarn crimping wheel teeth spacing adjustment In synthetic yarn texturing using crimping wheels, an indicating device is provided to aid in adjusting the peripheral spacing between the teeth of the wheels.... | 02/15/1977 |
| 4003110 | Method of manufacturing the hook portions of a statistical hook and loop area fastener The hook sheet of a separable hook-and-loop area fastener is formed by weaving, looping or otherwise engaging with a backing sheet a continuous plastic filament, preferably of nylon or the like, which has been permanently crimped into a zig-zagged sawtoot... | 01/18/1977 |
| 3964141 | Crimping gears and process Integral structure crimping gears having timing gear teeth and crimping gear teeth of the same outside diameter, the tooth thickness of the crimping teeth being less than the tooth thickness of the timing teeth at any given diameter of the structure.... | 06/22/1976 |
