Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7802348 | Device for stretching webs of material transversely to their travel direction A device for stretching webs of material transversely to a travel direction thereof, includes at least one rotary stretcher extending transversely to the travel direction of the web of material. The stretcher is composed of at least two round tubes which are aligned... | 09/28/2010 |
| 7240595 | Process for producing magnetic tape A process for producing a magnetic tape is provided, in which a web is extended in the width direction immediately before it is cut by a slitter when the web is supplied to the slitter to be cut into several magnetic tapes. The extension of the web is performed by a... | 07/10/2007 |
| 7104286 | Weaving machine with correction of the distortion of the weft A weaving machine includes two temples whose axis is parallel to the weft threads and which are located at the lateral edges of the cloth, a cylindrical cloth-deflecting bar on which the cloth presses around an arc of contact before winding around a haul-off roll on... | 09/12/2006 |
| 7004219 | Roller for automated fabric layup An apparatus for automated fabric lay-up of composite laminates 10 is provided, including an automatic dispensing assembly 12 dispensing pre-preg fabric 14 in a dispensing direction 30. The apparatus 10 further includes a roller el... | 02/28/2006 |
| 6973702 | Web expander This invention provides a web expander comprising means for carrying a web 2 having longitudinal slits, means 5 for expanding the width of the web, and opening control means 6 for uniformly forming size and form of openings of the web expanded b... | 12/13/2005 |
| 6969061 | Roller element for hardcopy apparatus A printer or other hardcopy apparatus comprises a pinch system (20) comprising a pinch wheel (21) and a drive roller (23) in which the pinch wheel is arranged to contact a print media at locations which move continuously transversely of the dire... | 11/29/2005 |
| 6966436 | Absorbent mats for food packaging An absorbent mat includes top and bottom layers of thermoplastic material with absorbent media disposed therebetween. The top and bottom layers are bonded directly together, or to the absorbent media disposed therebetween, in spaced-apart bond sites. One or more per... | 11/22/2005 |
| 6785937 | Slit neck spunbond process and material A process for making a plurality of necked nonwoven strips having similar or identical cross-directional profiles includes the steps of slitting a neckable nonwoven web into a plurality of neckable nonwoven strips, passing the neckable nonwoven web between a first p... | 09/07/2004 |
| 6554754 | "Smart" bowed roll An improved bowed roll assembly and system that can be adjusted during operation to alter critical speeds to outside the range of the operational speed of the assembly, and methods of altering critical speeds of the roll assembly during its operation to i... | 04/29/2003 |
| 6145174 | Stretcher roller A stretcher roller for spreading out moving flexible strip material such as for example plastics film, paper or textiles, has a cylindrical outer surface of elastomeric material, with inclined incisions which are separated from one another by webs. The tr... | 11/14/2000 |
| 5732748 | Composite material fabric based on predominantly untwisted coarse multifilament warp & weft threads A woven fabric to be used in formation of a composite material includes multifilament warp and weft threads. Each of the warp threads and the weft threads have a total weight less than 80% of the weight of the fabric. The woven warp and weft threads have ... | 03/31/1998 |
| 5666704 | Detwisting mechanism for fabric processing line A improved upper level de-twisting mechanism is provided to facilitate the handling of rope form fabric as it is drawn from a bulk container, typically in wet condition, and conveyed to a processing operation, such as spreading. The mechanism includes a r... | 09/16/1997 |
| 5630260 | Method and apparatus for discharging fabric from cloth spreading machine A running carriage (33) delivers, spreads, and piles a sheet material to be spread to form a piled sheet material (24), while running on a spreading table (22) of a cloth spreading machine (21). The piled sheet material (24) is placed on an underlay sheet... | 05/20/1997 |
| 5537726 | Longitudinal film stretcher especially for thermoplastic film A film or web stretcher particularly for thermoplastic film has a plurality of stretching cylinders, at least one or more of which cooperate with a press-on roller particularly at the inlet and/or outlet of the stretcher. A mounting arm (6) at each end of... | 07/23/1996 |
| 5461760 | Sleeve stretcher assembly for a spreader roller A sleeve stretcher assembly for the ends of an elastomer sleeve of a spreader roller which includes a stationary shaft having at least one of its end portions configured as a tube. A slide rod is adapted for sliding interior of said tube in a direction pa... | 10/31/1995 |
| 5455992 | Roller assembly for expanding the width of a web A widening device for increasing the width of a moving web of material comprises a rotatable profiled roller, the outer surface of which defines a plurality of radial projections and recesses distributed along the length of the roller and first and second... | 10/10/1995 |
| 5273197 | Roller for guiding and stretching bands and film webs In a roller for guiding and stretching bands and/or film webs (21) for winding apparatus (FIG. 1), preferably for apparatus for the continuous vacuum vapor depositing or sputtering of plastic webs with a plurality of external drums (2) of identical config... | 12/28/1993 |
| 5067646 | Apparatus for controlling a web Apparatus for controlling the lateral position of a web moving along a path of travel across a scroll roll or other roll capable of imparting lateral movement to the web. The apparatus includes sensors to detect lateral position of the web and elements, p... | 11/26/1991 |
| 5043036 | Width stretching device A device for stretching the width of strip material including two rotatably mounted circular pulleys having portions of their peripheries at a close spacing at a first location and portions of their peripheries at a larger spacing at a second location. Tw... | 08/27/1991 |
| 5005747 | Mounting for the spiral flights at the opposite ends of a bale wrapping material spreader roll A wrap material spreader roll includes a smooth, cylindrical tube having spiral flights at opposite end portions thereof formed from spirally wound elongate members such as wires, or the like, the elongate members having respective inner ends defined by a... | 04/09/1991 |
| 4862565 | Spreader roll for wrinkle-free traveling web This invention pertains to a spreader roll adapted to remove wrinkles, ripples, bags and torque marks from fast-traveling webs of material of fabric, plastic or combinations thereof. The resulting fast-traveling web has a smooth, uninterrupted surface. Th... | 09/05/1989 |
| 4802348 | Apparatus for tentering hides An apparatus for tentering a hide including endless tentering mats (1, 2) driven along continuous upper and lower paths. The mats (1, 2) are pressed together over a portion of the continuous path by compressed air. A stretching assembly that grips the mat... | 02/07/1989 |
| 4760627 | Apparatus for an oscillating pinch roll assembly utilized in the extrusion of blown films In one embodiment, the oscillating pinch roll assembly or web handling apparatus includes a rotatable spindle having an input which accepts the tubular web. A pinch roller is mounted at the input. A plurality of rollers are circumferentially disposed arou... | 08/02/1988 |
| 4748909 | Transverse stretching apparatus for a moving web To simplify a transverse stretching apparatus and provide rollers which do not require a change in the respective axes of rotation, two rollers are located adjacent, parallel, and spaced from each other, in which each of the rollers have outer cylindrical... | 06/07/1988 |
| 4726293 | Wrinkle-preventing passive roller system for printing machines A wrinkle-preventing mechanism for a high-speed printer, in which the web constituting the printing medium passes between skewed image and pressure cylinders while being subjected thereby to a high pressure, includes a flat-surfaced, rigid pressure pad un... | 02/23/1988 |
| 4656702 | Expander and guider roller An expander roller comprises a straight shaft, rotary disk groups having a plurality of rotary disks rotatably put on said shaft, and a stretchable and resilient cylindrical member closely fitted on said rotary disk groups. The rotary disk groups are form... | 04/14/1987 |
| 4631911 | Apparatus for removing twist from moving fabric and method for accomplishing same Apparatus and method for removing real or false twist from a moving fabric in rope form. Freely rotatable, diagonally opposite elements are located on opposite sides of an fabric path of travel. Each element has a helically wound fabric contact member the... | 12/30/1986 |
| 4449659 | Roller for adjusting the width of a travelling web In a roller for adjusting the width of a travelling web including a core roller, a pair of inclinedly movable tension setting members disposed at the ends of the core roller, and a plurality of elastic bands having a proper amount of surface frictional re... | 05/22/1984 |
| 4368565 | Grooved roller assembly for laterally stretching film There is disclosed a novel groove roller and roller assembly comprised of two of such grooved rollers wherein the grooved roller is comprised of a plurality of discs having varying diameters and positioned on a shaft thereby forming a grooved roller of se... | 01/18/1983 |
| 4336638 | Apparatus for stretching plastic webs An apparatus is afforded for transversely stretching a continuously advancing flexible web between a pair of opposed banks of tranversely-spaced pressure elements, one of which banks is stationary and whose elements have slide surfaces, the margins of the... | 06/29/1982 |
| 4286428 | Apparatus for detwisting textile fabrics in rope form Apparatus for untwisting a textile length which has become gathered and twisted into rope-like form includes a rotatable guide through which the textile is passed in a manner such as to be constrained for rotation therewith. The guide is rotatable by a re... | 09/01/1981 |
| 4116892 | Process for stretching incremental portions of an orientable thermoplastic substrate and product thereof There is disclosed a novel process and product produced thereby for the selective stretching of incremental portions of a substrate of a synthetic thermoplastic material selected from the group consisting of a thermoplastic orientable polymer or a blend o... | 09/26/1978 |
| 4087226 | Stretching webs of sheet material Apparatus for transversely stretching a travelling web of flexible material particularly of extruded plastics netting comprising a pair of travelling conveyor means for restraining the longitudinal web margins from moving laterally inwardly and opposed ba... | 05/02/1978 |
| 4003684 | Apparatus for treating webs of filtering material for tobacco product filters, particularly cigarette filters Improved apparatus for treating a web of fibrous material, usually paper, to render it particularly suitable for making filter plugs for cigarettes, including at least one first pair of meshing rotating rolls provided with longitudinal grooves alternating... | 01/18/1977 |
| 3973446 | Web aligner A device for maintaining a predetermined alignment of a running web and more particularly maintaining the alignment of the belt of an endless conveyor comprising an idler spool over which the web or belt passes and which is laterally movable relative to i... | 08/10/1976 |
