Abstract: The present invention provides an aluminum alloy plate for use as a lithographic printing plate having an improved uniformity of a surface roughened by electrolytic etching and wherein streaking does not occur, and a method for producing the same. The present invention is characterized in comprising, in wt %, Fe: 0.1 to 0.6%; Si: 0.02 to 0.2%; Cu: 0.001 to 0.02%; Zn: 0.01 to 0.1%; Mg: 0.005 to 0.1%; Ti: 0.001 to 0.05%, and the remainder Al and inevitable impurities, and an average value of the crystal particle size is 60 ?m or less in a direction perpendicular to the rolling direction.

Abstract: The present invention provides an aluminum alloy plate for use as a lithographic printing plate having an improved uniformity of a surface roughened by electrolytic etching and wherein streaking does not occur, and a method for producing the same. The present invention is characterized in comprising, in wt %, Fe: 0.1 to 0.6%; Si: 0.02 to 0.2%; Cu: 0.001 to 0.02%; Zn: 0.01 to 0.1%; Mg: 0.005 to 0.1%; Ti: 0.001 to 0.05%, and the remainder Al and inevitable impurities, and an average value of the crystal particle size is 60 ?m or less in a direction perpendicular to the rolling direction.

Abstract: An electrical connector has a plurality of sheet-type terminals (20 and 30) which are received into corresponding receiving slots (11 and 12) of a housing (10) and are arranged parallel each other in a direction. The terminals (20, 30) have connection sections (23 and 33) at their ends, which are arranged so as to face the same side and protrude outward from a bottom surface of the housing. The movable member (40), which presses a flat cable (C) toward contact sections (26, 36), is movably supported at an open mouth of the housing (10). The connection sections (23 and 33) have connection surfaces (23A and 33A) for contact with circuit sections of a circuit board, which are staggered in a receiving direction of the terminals to the housing.

Abstract: The present invention provides an aluminum alloy support body for a presensitized plate in which the uniformity of the grained surface due to electrochemical etching is further improved, and a method of producing the same. The aluminum alloy support body for the presensitized plate according to the present invention has a composition comprising 0.1 to 0.7% by weight of Fe; 0.01 to 0.2% by weight of Si; 0.005 to 1.0% by weight of one or more rare earth elements; and the balance of Al and unavoidable impurities. In the present invention, the aluminum alloy support body may further contain 0.005 to 0.1% by weight of Ni and 0.005 to 0.3% by weight of one or more rare earth elements. One or more elements of Ce, La and Nd can be selected as the rare earth elements.

Abstract: An electrical connector has a plurality of sheet-type terminals (20 and 30) which are received into corresponding receiving slots (11 and 12) of a housing (10) and are arranged parallel each other in a direction. The terminals (20, 30) have connection sections (23 and 33) at their ends, which are arranged so as to face the same side and protrude outward from a bottom surface of the housing. The movable member (40), which presses a flat cable (C) toward contact sections (26, 36), is movably supported at an open mouth of the housing (10). The connection sections (23 and 33) have connection surfaces (23A and 33A) for contact with circuit sections of a circuit board, which are staggered in a receiving direction of the terminals to the housing.

Abstract: An electrical connector connection system for connecting a pair of receptacle connectors (10) comprises an intermediate board (20) which interconnects the receptacle connectors (10) and has signal and ground connection portions (21 and 22) on opposite edges thereof and signal transmission portions (24) for interconnecting corresponding signal connection portions (21) and a ground transmission portion (23) for interconnecting the ground connection portions (22).

Abstract: The present invention provides an aluminum alloy support body for a presensitized plate in which the uniformity of the grained surface due to electrochemical etching is further improved, and a method of producing the same. The aluminum alloy support body for the presensitized plate according to the present invention has a composition comprising 0.1 to 0.7% by weight of Fe; 0.01 to 0.2% by weight of Si; 0.005 to 1.0% by weight of one or more rare earth elements; and the balance of Al and unavoidable impurities. In the present invention, the aluminum alloy support body may further contain 0.005 to 0.1% by weight of Ni and 0.005 to 0.3% by weight of one or more rare earth elements. One or more elements of Ce, La and Nd can be selected as the rare earth elements.

Abstract: An ejector comprises an ejector bar (2), a pressed section (3) provided at an end of the ejector bar, a press button (4) rotatably linked to the pressed section for rotation between an operation position where the press button projects in the lengthwise direction of the ejector bar and a stand-by position at right angles with the ejector bar and an engaging member (8) having at one end an engaging claw (9) which is movable between an ejection position where a card is inserted or ejected and an engaging position where the engaging claw engages the rear end of a card to prevent accidental ejection of the card, the press button and the engaging member being linked such that when the press button is at the operational position, the engaging member is at the ejection position while when the press button is at the stand-by position, the engaging member is at the engaging position.

Abstract: A card ejector for a PC card connector, includes an ejector button (1) movable between a retreated position and an advanced position where a PC card is ejected from the PC card connector; an ejector bar (2) for guiding the ejector button (1) by a predetermined distance between the retreated position and the advanced position; a spring member (10) provided between the ejector button (1) and the ejector bar (2) to bias the ejector button (1) to the retreated position where the ejector button (1) is rotatable by a predetermined angle with respect to the ejector bar (2).

Abstract: A metal panel (11) for covering a PC card has an accommodating opening (18) for exposing the ground connection section (21) of a socket connector (2). A projected edge (7B) is provided on the frame holder (4) and a liner projection (32) is formed on the socket connector (2). The projected edge (7B) is located to fill in and close gaps between the ground connection section (21) and edges of the accommodation opening (18). In other embodiments, a C-shaped projection (32) on the socket (30) is used as the sole means to close or fill in the gap.

Abstract: A metal panel (4) is provided to cover the entire PC card (P). The ground plate (10) has an attaching portion and outer and inner terminals (11) and (12) extending rearwardly from the attaching portion. The attaching portion is attached to the attaching means of the housing (6). The outer and inner terminals (11) and (12) contact the inner face of the panel (4) and the ground circuit (3B) of an inner board (3), respectively.

Abstract: A PC card electrical connector includes a case (40); an ejector (20) having a front button (21) and a rear arm (22); a first spring (27) for forwardly biasing the ejector; an intermediate bar (10) for abutment with the ejector having a cam follower (13); a second spring (49) for biasing the intermediate bar toward the rear arm of the ejector; an ejector bar (5) for abutment with the intermediate bar; a cam member (63) movable on the bottom of the case and having an engaging portion; a first cam channel (I) provided on the ejector so as to engage the cam member such that when a PC card is inserted, the engaging portion is held at a lock position where the ejector button is held at a depressed position and, when the ejector button is depressed, the engaging portion is released from the lock position and, when the ejector button is depressed again, the ejector is moved to a projected position while the engaging portion is returned to the lock position; and a second cam channel (II) provided on the bottom of the

Abstract: A surface contact card connector which includes a base section 2 made of an insulating material; a cover section 3 made of an insulating material and attached to the base section at a rear end for rotation between open and close positions; first and second engaging side walls 7 and 15 provided on opposite sides of the base and cover sections, respectively, such that when the cover section is closed, they are opposed to each other; first or second engaging side walls are flexible laterally; engaging windows or depressions 9, 10 being provided in the first or second engaging side walls; engaging and releasing projections 16 and 17 provided on the second or first engaging side walls such that when the cover section is closed, they flex the first or second side walls laterally and engage the engaging members; the engaging projections having a rectangular triangle shape whose upper side 16A is substantially at right angles to the engaging side walls while the release projections being provided at positions flexibl

Abstract: A PC card electrical connector which includes a housing having at least upper and lower storage cavities for accepting PC cards (1) one for each storage cavity; at least upper and lower movable plates (2) disposed near the upper and lower storage cavities, respectively, each movable plate having at least one abutment member (2A) for abutment with a portion of the PC cards; at least upper and lower eject levers (5) rotatably supported by the housing in planes parallel to the PC cards and coupled at one end to the movable plates; at least upper and lower intermediate bars (6) coupled to the other end of the upper and lower eject levers, respectively, and movable along sides of the storage cavities; and an ejector (8, 9) for selectively engaging and pushing one of the upper and lower intermediate bars, thereby permitting operation of one of the eject levers to eject the desired PC card with ease and few errors.

Abstract: The IC card electrical connector includes an ejector button (10), a spring member (11) for biasing the ejector button forwardly, an engaging member (12) pivoted to the ejector button and engaging with the housing to hold the ejector button in place, and a cam mechanism. The cam mechanism includes a cam section (9) having a first cam face (9A) and a second cam face (9B) and an intermediate member (6) having a cam follower (6B). When the engaging member is released to allow forward movement of the ejector button, the intermediate member is biased into a space between the ejector button and the eject bar. The cam follower is provided on a resilient arm (6A) so that it moves on the first cam face whereas when an IC card is inserted to move the eject bar forwardly, it slides on the second cam face to escape from the space.

Abstract: A PC card electrical connector with an expandable ejector includes an intermediate bar (10) having a cam follower pin (13); an ejector button section (20) for motion between a lock position (A2) where the ejector button section projects little more than a front end of the casing and a release position (C2) where the ejector button section projects far from the front end of the casing; a line spring (28) having a cam follower end (30); a first biasing spring (30) for biasing the ejector button section forwardly so that when the ejector button section is depressed a first time to release the follower end of the line spring from the lock position, the ejector button section is brought to the release position; and a second biasing spring (49) for biasing the intermediate bar onto a side of the ejector button section so that when the ejector button section is moved forward to the release position, the intermediate bar is turned to connect to the ejector button section, thereby making it possible that by depressing

Abstract: A valve assembly for automatically controlling the flow of a fluid comprises a casing having formed therein a first chamber, a second chamber normally communicating with the first chamber and a pressure chamber in constant fluid communication with the second chamber. Means in the form of a bellows or piston is disposed in the pressure chamber to operate a valve member such that communication between the first and second chambers is interrupted upon the increase of the fluid pressure in the latter beyond a normal level.

Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and by recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaricidal properties.

Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and by recovering said substances from the culture material. The new antibiotic possess insecticidal and acaricidal properties.

Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaracidal properties.