Abstract: It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat film 3 coated onto a tip end section of a tool body 1 having a chip discharge groove 2. A rake face 6 is concavely provided in a cutting edge-side chip discharge groove formation surface 4 constituting the chip discharge groove 2 of the tool body 1, from a cutting edge 5 and along the cutting edge 5.

Abstract: It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat film 3 coated onto a tip end section of a tool body 1 having a chip discharge groove 2. A rake face 6 is concavely provided in a cutting edge-side chip discharge groove formation surface 4 constituting the chip discharge groove 2 of the tool body 1, from a cutting edge 5 and along the cutting edge 5.

Abstract: A magnetic toner conveying apparatus for conveying magnetic toner, which may be used with an electrophotographic image forming apparatus, comprises a non-magnetic convey path member constituting a convey path for conveying the magnetic toner, a non-magnetic convey member arranged in the convey path member and adapted to convey the magnetic toner, and a magnetic force generating member provided on or in the convey path member.

Abstract: A separating apparatus for separating foreign matter from a magnetic toner includes a filter having at least one opening for allowing passage of the magnetic toner, a vibration generator for vibrating the filter, a magnetic field generator for generating a magnetic field for attracting the magnetic toner and causing it to pass through the filter, and a stop for stopping the vibration generator when a predetermined time period has elapsed after the separating apparatus has been stopped.

Abstract: The invention provides a separating apparatus for removing foreign matters from magnetic toner, the separating apparatus being used in an electrophotographic image forming apparatus. The separating apparatus comprises a filter having openings for allowing passage of the magnetic toner, a magnetic field generating means for generating a magnetic field for attracting the magnetic toner and causing it to pass through the filter, and a magnetic force decreasing means for decreasing a magnetic force generated by the magnetic field generating means to lessen the magnetic field for attracting the magnetic toner and causing it to pass through the filter.

Abstract: A developing agent reproducing apparatus, including a recovery device for recovering; a developing agent from a mixture of the developing agent and foreign substances, the recovery device having an attracting member for attracting the developing agent and a filter for preventing substances other than the developing agent of the mixture from passing therethrough. The filter is disposed in a region in which the developing agent is moved by the attracting member and the attracting member is disposed upstream of the filter in a gravity working direction.

Abstract: A developer extracting apparatus for extracting developer from a mixture of developer and foreign matter, includes a filter for permitting passage of developer and for inhibiting passage of foreign matter, protection means for protecting the filter, and a vibration applying means for applying vibration to the filter via the protection means.

Abstract: The present invention provides an image forming apparatus having an image forming device for forming a non-fixed image on a recording sheet, a fixing rotary member for fixing the non-fixed image to the recording sheet, a containing portion for containing the recording sheet to which the image was fixed by the fixing rotary member, a re-feeding device for re-feeding the recording sheet contained in the containing portion to the image forming device, and a coating device for coating a parting liquid to the fixing rotary member.

Abstract: A composition comprising a polymer having dispersed therethrough a prostacyclin derivative selected from the group consisting of compounds of formula (I): ##STR1## (in which R.sup.1 represents hydrogen or lower alkyl, R.sup.2 represents a C.sub.3 -C.sub.12 alkyl group or a C.sub.3 -C.sub.12 alkenyl group; and n is an integer from 1 to 5; and pharmaceutically acceptable salts thereof) can be used to make a medical appliance from which the prostaglandin, having antithrombotic properties, will be released gradually and in a controlled way.

Abstract: A fixing apparatus includes rotatable member contactable to a material carrying a toner image to fix the toner image thereon, a first contacting member in sliding contact with a surface of the rotatable member, the first contacting member is reciprocable in a direction of a generating line of the rotatable member, a second contacting member in sliding contact with the surface of the rotatable member at a position different from the first contacting member in a rotational direction, the second contacting member being reciprocable in a direction of generating line of the rotatable member, wherein the first contacting member having a reciprocable movable range without overlapping with a reciprocable movable range of the second contacting member.