Abstract: A tape feeder pulls out a component supply tape including a cover tape adhered on a carrier tape accommodating multiple components from a reel, feeds the component supply tape to a predetermined supply position, and separates the cover tape from the carrier tape in front of the supply position to expose a component on the carrier tape. The tape feeder includes a pair of rotating members configured to separate the cover tape from the carrier tape by pinching and drawing the cover tape; a drum member configured to rotate and wind the cover tape drawn by the pair of rotating members; and a torque limiter provided in a rotary shaft of the drum member.

Abstract: A tape feeder feeds a component supply tape including a cover tape adhered on a carrier tape accommodating multiple components to a predetermined supply position, and separates the cover tape from the carrier tape in front of the supply position to expose a component on the carrier tape. The tape feeder includes a pair of rotating members configured to separate the cover tape from the carrier tape by pinching and drawing the cover tape; a drum member configured to rotate and wind the cover tape drawn by the pair of rotating members; a driving motor; and a distribution mechanism configured to distribute a rotational driving force from the driving motor to one rotating member of the pair of rotating members and the drum member.

Abstract: A primer for amplifying a nucleic acid having a structure represented by the formula (1): where B represents a base, R1 represents a decomposable protecting group, and R2 represents hydrogen or a hydroxyl group, and the symbol * represents a bond to a sugar of an adjacent nucleotide. A device for producing double-stranded DNA, includes: a forward primer and a reverse primer, having a structure represented by formula (1); a PCR device for forming double-stranded DNA with 3?-recessed ends by performing multiple cycles of PCR by using a template DNA as a template; and a photoirradiation unit for deprotecting R1 and forming a sticky end with a 3?-protruding end.

Abstract: where A1 represents —S—, —S—S—, or —Se—, B represents a base, and R1 represents a decomposable protecting group, and the symbol * represents a bond to a sugar of an adjacent nucleotide. A device for producing double-stranded DNA includes: a forward primer and a reverse primer, having a structure represented by formula (1); a PCR device for forming double-stranded DNA with 3?-recessed ends by performing multiple cycles of PCR by using a template DNA as a template; Klenow fragment for making the 3? ends blunt; and a photoirradiation unit for deprotecting R1 and forming a sticky end with a 3?-protruding end.

Abstract: A feeder that is arranged in multiples side by side and detachably attached to a component mounting machine, the feeder being for feeding a tape accommodating components to supply the components, the feeder includes a feeder main body including a holding section configured to hold a reel around which the tape is wound, and a plate-shaped cover configured to open and close the holding section by rotation via a support shaft. Further, the cover includes an inclined section that has an inclined surface inclined toward the feeder main body with respect to an outer surface of the cover and is provided at an end portion on a front side in an attachment direction of the feeder to the component mounting machine.

Abstract: Water softening device (1) of the present disclosure includes water softening tank (3), neutralization tank (4), electrolytic tank (12), water pump (19), current value detector (18), and controller (17) that controls a regeneration treatment. In the regeneration treatment, controller (17) continues the regeneration treatment when a current value of water pump (19) detected by current value detector (18) is more than or equal to a predetermined value, and stops the regeneration treatment and shifts to a hardness component discharge treatment of discharging a hardness component in the water softening device to the outside of the water softening device when the current value of water pump (19) detected by current value detector (18) is less than the predetermined value.

Abstract: A feeder for feeding a tape that accommodates a component and supplying the component includes a feeder main body provided with a holding section that holds a disk-shaped reel around which the tape is wound to be rotatable about a central axis, and a plate-shaped cover configured to open and close the holding section. The cover includes an opening at a location corresponding to a region of a board surface of the reel to which an identification code of the reel is able to be given.

Abstract: A reel holding device includes a main body, a pressing plate openable and closable with respect to the main body to press a side surface orthogonal to a central axis of a reel around which a component supply tape is wound and which is accommodated in a reel holder, and a holding section configured to attract and hold the pressing plate by a magnetic force in a closed state in which the pressing plate presses the reel, in which the holding section includes an attracting portion configured to attract the pressing plate and a peripheral portion adjacent to the attracting portion, and a magnetic force larger than a magnetic force of the attracting portion is generated in at least a part of the peripheral portion.

Abstract: Water softening device includes water softening tank, neutralization tank, and electrolytic tank. Electrolytic tank generates acidic electrolytic water for regenerating weakly acidic cation exchange resin and alkaline electrolytic water for regenerating weakly basic anion exchange resin. Then, water softening device includes an acidic electrolytic water circulation flow path that circulates the acidic electrolytic water through electrolytic tank, first discharge port, water softening tank, and first water intake port in the stated order, and an alkaline electrolytic water circulation flow path that circulates the alkaline electrolytic water through electrolytic tank, second discharge port, neutralization tank, and second water intake port in the stated order.

Abstract: Water softening device includes water softening tank and neutralizing tank. Water softening tank softens raw water containing a hardness component by weakly acidic cation exchange resin. Water softening tank includes first water softening tank and second water softening tank. Neutralizing tank neutralizes the pH of softened water that has passed through water softening tank by weakly basic anion exchange resin. Neutralizing tank includes first neutralizing tank and second neutralizing tank. Water softening device is configured to cause raw water containing a hardness component to flow through first water softening tank, first neutralizing tank, second water softening tank, and second neutralizing tank in this order.

Abstract: A tape feeder pulls out a component supply tape including a cover tape adhered on a carrier tape accommodating multiple components from a reel, feeds the component supply tape to a predetermined supply position, and separates the cover tape from the carrier tape in front of the supply position to expose a component on the carrier tape. The tape feeder includes a pair of rotating members configured to separate the cover tape from the carrier tape by pinching and drawing the cover tape; a drum member configured to rotate and wind the cover tape drawn by the pair of rotating members; and a torque limiter provided in a rotary shaft of the drum member.

Abstract: A tape feeder feeds a component supply tape including a cover tape adhered on a carrier tape accommodating multiple components to a predetermined supply position, and separates the cover tape from the carrier tape in front of the supply position to expose a component on the carrier tape. The tape feeder includes a pair of rotating members configured to separate the cover tape from the carrier tape by pinching and drawing the cover tape; a drum member configured to rotate and wind the cover tape drawn by the pair of rotating members; a driving motor; and a distribution mechanism configured to distribute a rotational driving force from the driving motor to one rotating member of the pair of rotating members and the drum member.

Abstract: The control device of a tape feeder, during the loading processing, in a case in which carrier tape that is preadjusted such that a length from a first cavity, which houses the electronic component and which is first from the leading end of the carrier tape among the multiple cavities, to the leading end of the carrier tape is a regulated length is inserted into the insertion section, starts conveyance of the carrier tape and makes a position of the first cavity a specified position in the feeder main body in accordance with a detection result of the detection sensor.

Abstract: A primer for amplifying a nucleic acid having a structure represented by formula (1): where A1 represents —S—, —S—S—, or —Se—, B represents a base, and R1 represents a decomposable protecting group, and the symbol * represents a bond to a sugar of an adjacent nucleotide. A device for producing double-stranded DNA includes: a forward primer and a reverse primer, having a structure represented by formula (1); a PCR device for forming double-stranded DNA with 3?-recessed ends by performing multiple cycles of PCR by using a template DNA as a template; Klenow fragment for making the 3? ends blunt; and a photoirradiation unit for deprotecting R1 and forming a sticky end with a 3?-protruding end.

Abstract: A primer for amplifying a nucleic acid having a structure represented by the formula (1): where B represents a base, R1 represents a decomposable protecting group, and R2 represents hydrogen or a hydroxyl group, and the symbol * represents a bond to a sugar of an adjacent nucleotide. A device for producing double-stranded DNA, includes: a forward primer and a reverse primer, having a structure represented by formula (1); a PCR device for forming double-stranded DNA with 3?-recessed ends by performing multiple cycles of PCR by using a template DNA as a template; and a photoirradiation unit for deprotecting R1 and forming a sticky end with a 3?-protruding end.

Abstract: A feeder includes a feeder main body, a tape guide provided in feeder main body, a tape separating device to separate cover tape covering component storage sections, a tape conveyance path between the feeder main body and the tape guide and having recessed groove through which the component storage sections of the embossed carrier tape can be inserted, and a pressing device disposed in the recessed groove of the tape conveyance path to press the embossed carrier tape in a direction in which the embossed carrier tape is brought into abutment with the tape guide. The pressing device is positioned at both sides of the component storage sections in a width direction in of the recessed groove and presses flange sections of the embossed carrier tape without pressing the component storage sections.

Abstract: The control device of a tape feeder, during the loading processing, in a case in which carrier tape that is preadjusted such that a length from a first cavity, which houses the electronic component and which is first from the leading end of the carrier tape among the multiple cavities, to the leading end of the carrier tape is a regulated length is inserted into the insertion section, starts conveyance of the carrier tape and makes a position of the first cavity a specified position in the feeder main body in accordance with a detection result of the detection sensor.

Abstract: Feeder (21) includes feeder main body (21b), tape guide (77) provided in feeder main body (21 b) and including tape separating device (70) configured to separate cover tape (92) covering component storage sections (91a), tape conveyance path (38) formed along a feeding direction of embossed carrier tape (90) between feeder main body (21b) and tape guide (77) and having recessed groove (38b) through which component storage sections (91a) of embossed carrier tape (90) can be inserted, and pressing device (80) disposed in recessed groove (38b) of tape conveyance path (38) and configured to press embossed carrier tape (90) in a direction in which embossed carrier tape (90) is brought into abutment with tape guide (77), wherein pressing member (80) is positioned at both sides of component storage sections (91a) in a width direction in recessed groove (38b) and presses flange sections (91b) of embossed carrier tape (90) without pressing component storage sections (91a) thereof.

Abstract: A non-splicing feeder including: multiple sprockets in a conveyance direction that accurately supply components stored in carrier tape to a supply position; a main body; a first sprocket on which first engaging protrusions are formed which is rotatably provided at supply position of main body; a second sprocket on which second engaging protrusions are formed which is rotatably provided on main body at a position on the downstream side in the conveyance direction of carrier tape with respect to first sprocket; wherein a tooth thickness dimension of second engaging protrusion is set to be smaller than a tooth thickness dimension of first engaging protrusion.

Abstract: A feeder provided with: a feeder main body, on a rear section of which is formed a tape insertion section for inserting carrier tape that stores multiple components; a tape feeding path for feeding the carrier tape from rear to front, the tape feeding path being provided on the feeder main body so as to connect to the tape insertion section; and an insertion guiding member in which is formed a guiding groove capable of guiding the carrier tape to the tape insertion section when the carrier tape is inserted to the tape insertion section.