The present invention is comprised of a headband (25) and one or more sound collectors (30, 75). The sound collectors (30, 75) collect sound waves and reflect toward the wearer's ears for louder reception. Some variations to the present invention can have one or more sound collectors (30, 75) that are parabolic in shape so the sound reflected off the collector surface is better focused toward the ear. Moreover, as an additional variation, one or more sound collectors (30, 75) can have a pluralit...

Disclosed is a dust-collecting barrow according to the invention. The dust-collecting barrow has a layer of silicon oil on the bottom thereof. The silicon oil is stable; that is, it is difficult for it to react with chemical compounds. The dust-collecting barrow has a plurality of alternately-arranged dividers. When chemical materials and/or particles are sucked into the dust-collecting barrow, heavier materials are first deposited in the silicon oil while lighter materials continuously move for...

A method for collecting acrylic acid is provided, which includes the step of collecting acrylic acid using an aqueous medium from a reaction gas containing acrylic acid obtained by catalytic vapor-phase oxidation of propane, propylene, and/or acrolein, the step being conducted so as to satisfy the following formula (1) (B/A)<1.25 (1) wherein A represents a weight fraction of acrylic acid to all condensable ingredients in the reaction gas before collecting acrylic acid and B represents a weigh...

A bone piece collecting device, wherein, when bone pieces are mixing agitated with the other substances while preventing the loss of the cut bone pieces collected on a filter and contamination thereof by saliva by a self-bone transplanting method, a filter part is installed in a filter holder with impermeability to eliminate the operation for transferring the bone pieces to the other container, a collected bone container for filling bones is prevented from being fallen down by stably fixing the ...

The present invention provides a sludge or the like scraping and collecting apparatus. This apparatus has a whole structure more simplified and can realize a cost-down. Further, it is advantageously installed.The scraping and collecting apparatus comprises a carriage having a main body formed from a single long member constant in section in a front and rear direction. The carrier main body has a front end and a rear end provided with sludge scrapers. These front and rear sludge scrapers are adap...

An open-topped collection trough for arrangement under a machine tool to collect downwardly flowing coolant emitted from coolant spray nozzles of the machine tool which direct coolant jets onto cutting tools and adjacent surfaces, in which the collection trough is provided with a height adjusting mechanism and a seal system made of foam seal material between the top edge at the side of the trough and the undersurfaces of a machine tool to seal the gap between the trough and the tool.

A debris collecting device is disclosed. An illustrative embodiment of the debris collecting device includes a winding frame having a rotatable panel shaft, a collection panel attached to the panel shaft and a collection receptacle carried by the collection panel.

A system for collecting prescribed injection ampules. In this system, it is possible to collect any ampules that cannot be collected from an automatic ampule dispenser with high efficiency. An ampule collecting apparatus has a tray supply unit for supplying trays. The trays supplied from the tray supply unit are sent into an ampule dispenser by an elevator unit and a conveyor unit, and moved downward in the dispenser by the downward conveyor unit. While the trays are being fed in the dispenser, ...

A distributed information system includes a communicating section, a control section and a management section. The communication section is to be mounted in a first mobile unit such as a vehicle, to receive an agent program which is an autonomous program to collect information, from a second mobile unit. The control section to be mounted in the first mobile unit performs a control action in response to a request of the agent program sent from the second mobile unit. The management section to be ...

The invention relates to a device for collecting samples of fluids, in particular of body fluids such as saliva, said device comprising an absorbent pad and two housing parts which are connected to the latter in a movable manner and can enclose the absorbent pad. The device permits easy and safe handling when taking a sample and when transferring the sample for testing for an analyte in the sample. The device can also be handled hygienically and safely by persons not trained in taking samples.