Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| D542841 | Daily desk calendar and memo pad box | 05/15/2007 |
| 7192061 | Birthday calendar The birthday calendar is a dual monthly calendar and twelve-month chart. The calendar is perpetual in that it is not designated for any particular year or month. The monthly calendar is made of a dry-erase board displaying a month grid that is filled in with erasabl... | 03/20/2007 |
| 7093857 | Birthday calendar The birthday calendar is a dual monthly calendar and twelve-month chart. The calendar is perpetual in that it is not designated for any particular time period. The monthly calendar displays a month, either from a single use calendar or by filling in a month grid dis... | 08/22/2006 |
| 6937792 | Method and apparatus for wavelength switching of a laser source A method and apparatus for wavelength switching a laser source. An external cavity (2) having a Bragg grating (5) is provided in an optical fiber (4). Space division switching is performed in the external cavity between a plurality of optical fi... | 08/30/2005 |
| 5966780 | Method for monitoring the fill state of sliver cans A method for improving the monitoring of the fill state of a sliver can (5) at a spinning station of a textile machine processing sliver wherein a defined portion (24 or 124) of a can bottom (22) is initially kept free from sliver (6) while a predetermine... | 10/19/1999 |
| 5487208 | Device for the detection of breakage of textile fiber slivers before a draw frame A device is provided for the detection of breakage of textile fiber slivers before a draw frame of the textile industry. The device must detect breakage of presented fiber slivers. The invention improves the reliability of detection of sliver breakage of ... | 01/30/1996 |
| 5191686 | Apparatus for protecting stretching rollers in synthetic film stretchers Lengthwise stretching machines for thermoplastic synthetic films are equipped with mechanical or opto-electrical devices for detecting a tearing of the film or an accumulation of film on the stretching rollers and for stopping the machine when tearing or ... | 03/09/1993 |
| 5187929 | Automatic device for resetting a mechanical yarn feeler in a textile machine An automatic device for positioning a mechanical yarn feeler against a yarn. An extendable arm is provided with a magnet at one end. The magnet is held in a pivotable base which pivots within a limited range on the arm. The magnet actively engages the fee... | 02/23/1993 |
| 5113550 | Sliver clamp and method for retrieving sliver cans for further processing A catcher device with a clamp is fitted about the outer surface of a fiber sliver can. The can may rotate on its longitudinal axis whereby an end of a fiber sliver is also moved in the direction of the catcher device. Through the rotation of the can, the ... | 05/19/1992 |
| 4987645 | Automatic piecing of overlapped leading and trailing ends of slivers in a textile machine A first sliver in an exhaust can (2F) is introduced and held in a recess (38a) of a sliver piecing unit (38) while gripped by a sliver gripper (34). The first sliver is severed by the displacement of the gripper (34) away from the recess (38a) so that a t... | 01/29/1991 |
| 4240181 | Web guiding device A device for withdrawing and gathering a fiber web discharged by a web delivering assembly of a carding machine includes a guide element arranged immediately downstream of the web delivering assembly and has a web guiding face; a support for positioning t... | 12/23/1980 |
| 4122657 | Apparatus for monitoring for thread breakage a continuous sequence of work positions on a textile machine In monitoring a continuous sequence of work positions on a textile machine for thread breakage, a magnetic probe is driven along a path adjacent the ring traveler at each work position so as to generate a signal upon detection of the traveler as it rotate... | 10/31/1978 |
