Abstract: The present invention includes a butterfly valve that has a resin valve body and a shaft. The shaft includes a first shaft member and a second shaft member. The first and second shaft members are integrated with the valve body. The first and second shaft members are spaced from each other in an axial direction by a predetermined distance.

Abstract: Provided are a multilayer film with small surface unevenness, constructed from resin layers with different molten viscosities: a resin-coated metal plastic, formed by layering a multilayer resin film on a metal plate: a method reproducing a multilayer resin film by layering molten resins with different molten viscosities without forming unevenness on the surface of the film; and a method of producing a resin-coated metal plate. The difference in molten viscosities or adjacent resin layers is set to 3000 poise or lower at a shear rate of 20 to 500 s?1, with the temperature of an extruder, a manifold, and that part of a die which is adjacent to the manifold through which of these a resin with a high molten viscosity passes maintained higher than the temperature of an extruder, a manifold, and that part or a die which is adjacent to the manifold through which of these a resin with a low molten viscosity passes.

Abstract: Provided are a multilayer film comprising a plurality of resin layers having melt viscosities at the same heating temperature being different from one another, wherein it is a multilayer resin film which is reduced in the irregularity of the surface thereof; and a method for producing a multilayer resin film which comprises laminating a plurality of resins having melt viscosities at the same heating temperature being different from one another, without the formation of irregulars ties on the surface of the film.

Abstract: An intake air control valve has a bore defining member and a butterfly-type valve member that includes a shaft and a valve body. The valve body has a pair of valve portions joined to the shaft and rotatable between a fully closed position and a fully opened position; Each of the valve portions has a central portion and opposite end portions along a direction of the rotational axis of the valve member. The thickness of each of the valve portions gradually increases from the central portion toward the end portions.

Abstract: A process for producing a multilayered unstretched film. The process is intended to minimize the amount of those thick parts of a film formed which are to be discarded, and to thereby attain a cost reduction. Thermoplastic resins (20A) and an extra thermoplastic resin (20B) different from the thermoplastic resins (20A) are separately melted by heating. Immediately before widening in respective manifolds, the extra thermoplastic resin is introduced to each edge part of each of the objective thermoplastic resins. The resins are fed to and widened in the manifolds so that the extra thermoplastic resin is disposed on the side of each edge of each objective thermoplastic resin. Subsequently, the melts are joined and ejected from the die lip of the T-die on a casting roll.

Abstract: A disc drive unit capable of simply performing an opening and closing driving of shutters by rotation of an inner rotor of a disc cartridge using the inner rotor is provided. A disc drive unit is constituted so as to open and close shutters (9, 10) by rotationally driving a partial gear (27) of the inner rotor (4) by a rack portion (74) of a rack member (71) slidably driving it relative to a disc cartridge (1).

Abstract: A valve device for an internal combustion engine is provided with two flange portions, each of which is arranged at the outer periphery of a valve and has a larger outer diameter than a shaft. Annular valve-side end surfaces of the flange portions obstruct water flowing toward bearings and the inner surface of a cylindrical portion of a house along the surface of the shaft. Thus, water can be restricted from flowing into annular gaps between the shaft and the housing and annular gaps between the shaft and bearing members. Accordingly, water is not frozen in the annular gaps, thus restricting the shaft and the valve from freezing/sticking.

Abstract: A method for producing a multi-layer resin film, wherein a plurality of molten resins being different in the melt viscosity are laminated on the surface of a film containing at least one resin containing a coloring component without formation of irregularities; and a method for producing a metal sheet having a resin coating film which comprises laminating said film on a metal sheet.

Abstract: A valve device for an internal combustion engine is provided with two flange portions, each of which is arranged at the outer periphery of a valve and has a larger outer diameter than a shaft. Annular valve-side end surfaces of the flange portions obstruct water flowing toward bearings and the inner surface of a cylindrical portion of a house along the surface of the shaft. Thus, water can be restricted from flowing into annular gaps between the shaft and the housing and annular gaps between the shaft and bearing members. Accordingly, water is not frozen in the annular gaps, thus restricting the shaft and the valve from freezing/sticking.

Abstract: A connection method and connection apparatus for connecting long belt-shaped non-oriented resin films that are continuously advanced. A leading resin film and a trailing resin film can be connected while processing in a following step is continuously performed. The tip end of a trailing resin film (22) is joined and connected to a leading resin film {11), and then a portion, immediately after the connected position, of the leading resin film is heated to a predetermined temperature range and cut.

Abstract: A disc drive unit capable of simply performing an opening and closing driving of shutters by rotation of an inner rotor of a disc cartridge using the inner rotor is provided. A disc drive unit is constituted so as to open and close shutters (9, 10) by rotationally driving a partial gear (27) of the inner rotor (4) by a rack portion (74) of a rack member (71) slidably driving it relative to a disc cartridge (1).

Abstract: A coating apparatus having a fluid circulating system wherein the fluid ascending in a dipping container overflows an overflow edge disposed at the top of the dipping container into an overflow-fluid receiving container and returns from the bottom of the overflow-fluid receiving container into the dipping container, wherein the dipping container has a depth of ⅓ to ⅔ of the internal diameter thereof. When the dipping container is too deep, the powder or the like tends to be compressed tightly in the upper part of the dipping container, often impeding efficient insertion of a substrate, but the coating apparatus according to the present invention, the dimension thereof being specified as above, keeps favorable fluidity of the powder or the like.

Abstract: The present invention provides a method for trimming a resin film which can recycle lug portions of the resin film after trimming, can easily trim the resin film even when the resin film is made of resin which becomes fragile by cooling, and enhance the use efficiency of a laminated sheet by making resin coated portions disposed at both sides of the laminated sheet thin. At the time of coating molten resin at least on one surface of a substrate to form a resin film after making the molten resin pass between coating rolls, the lug portions of the resin film are trimmed before the lug portions of the resin film are cooled.

Abstract: The present invention provides a method for trimming a resin film which can recycle lug portions of the resin film after trimming, can easily trim the resin film even when the resin film is made of resin which becomes fragile by cooling, and enhance the use efficiency of a laminated sheet by making resin coated portions disposed at both sides of the laminated sheet thin. At the time of coating molten resin at least on one surface of a substrate to form a resin film after making the molten resin pass between coating rolls, the lug portions of the resin film are trimmed before the lug portions of the resin film are cooled.

Abstract: A signal transmission apparatus is disclosed for setting delay amounts based on an operational speed. At least some of a plurality of rectangular wave signals transmitted in parallel are individually delayed by a plurality of signal delaying means for different time periods from one another in order to prevent the occurrence of noise. At this point, the delay time in the plurality of signal delaying means are set by time varying means based on the operational speed of a digital circuit which outputs digital data as the rectangular wave signals.

Abstract: A signal transmission apparatus is disclosed for setting delay amounts based on an operational speed. At least some of a plurality of rectangular wave signals transmitted in parallel are individually delayed by a plurality of signal delaying means for different time periods from one another in order to prevent the occurrence of noise. At this point, the delay time in the plurality of signal delaying means are set by time varying means based on the operational speed of a digital circuit which outputs digital data as the rectangular wave signals.

Abstract: A lens array for reading information employed in a copying machine, a facsimile machine, etc. and a manufacturing method thereof, wherein a pillar lens is formed by cutting a spherical lens parallel to the direction of an optical axis, and a number of the pillar lenses are arranged in two layers, upper and lower layers and then fixed with a pair of frame members, thus effecting mass production of a very accurate lens array at a low cost.

Abstract: A facsimile apparatus using a continuous length of recording paper with its first surface for recording and its second surface for transmitting scripts. Received facsimile signals are recorded on the first surface through a recording section, and scripts which are to be transmitted are written on the second surface and read through a reading section. This arrangement needs only one paper feeding passage and enables the paper to be efficiently used, since a non-recording surface of the paper can be used as a surface on which scripts are written.

Abstract: A facsimile apparatus using a continuous length of recording paper with its first surface for recording and its second surface for transmitting scripts. Received facsimile signals are recorded on the first surface through a recording section, and scripts which are to be transmitted are written on the second surface and read through a reading section. This arrangement needs only one paper feeding passage and enables the paper to be efficiently used, since the non-recording surface of the paper can be used as a surface on which scripts are written.

Abstract: Disclosed is an improvement over a facsimile transmitter apparatus of the type in which a scanning system disposed within a transparent cylinder scans a subject copy wrapped around the cylinder, wherein one side edge of a subject copy wrapping belt is securely fixed to the outer surface of the cylinder in the axial direction thereof while the other side edge is securely fixed to a take-up roller after the belt having been wrapped therearound, the take-up roller being biased to resist the unrolling of the wrapping belt, and the transparent cylinder is rotated through in excess of 360.degree. from the initial position to the wrapping position where the subject copy is wrapped completely around the transparent cylinder and between the transparent cylinder and the wrapping belt, the cylinder being reversed in rotation to release and discharge the subject copy.