Abstract: Embodiments disclosed herein include multilayer films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefin elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises a low density polyethylene (LDPE) having a density of from 0.915 to 0.930 g/cc, a melt index, 12, of from 1.0 to 30.0 g/10 min, and a molecular weight distribution, (Mw/Mn), as measured by the conventional calibration of triple detector gel permeation chromatography, of from 3.0 to less than 7.0.

Abstract: A splice tape is provided. The splice tape includes two internal support layers bonded at interface between opposing inner surfaces of the internal support layers. The support layers are formed utilizing a process and/or materials that ensure that the two internal support layers separate cleanly and consistently along the interface of the two internal support layers.

Abstract: There is provided a process for preparing a laminate, comprising electrostatically printing a transparent electrostatic ink composition onto a base material, wherein the transparent electrostatic ink composition comprises a thermoplastic resin, and a charge adjuvant and/or a charge director; providing a substrate; and contacting the substrate with the transparent electrostatic ink composition while the thermoplastic resin is softened or molten, and then allowing the thermoplastic resin to harden, so that the electrostatic ink composition adheres the base material and the substrate together. Laminate materials are also disclosed.

Abstract: There is provided a laminate, comprising a base material, a transparent electrostatic ink composition selectively disposed on portions of the base material, the transparent electrostatic ink composition comprising a thermoplastic resin, and a charge adjuvant and/or a charge director; a substrate adhered to the base material at the portions of the base material by the transparent electrostatic ink composition. A process for preparing a laminate and a blister pack are also disclosed.

Abstract: The present invention provide a ferritic stainless steel foil having a high thickness precision even with a thickness 60 ?m or less ultrathin stainless steel foil and simultaneously having a plastic deformation ability and good elongation at break, that is, having a good press-formability (deep drawing ability). The present invention is a stainless steel foil having a thickness of 5 ?m to 60 ?m, wherein a recrystallization ratio of said stainless steel foil is 90% to 100%, a surface layer of said stainless steel foil has a nitrogen concentration of 1.0 mass % or less, three or more crystal grains are contained in the thickness direction of said stainless steel foil, an average crystal grain diameter “d” of said crystal grains is 1 ?m to 10 ?m, and, when said thickness is “t” (?m), an area ratio of crystal grains having a crystal grain diameter of t/3 (?m) or more is 20% or less.

Abstract: A glass-resin composite including a glass sheet and a resin film, in which: the resin film is provided all over at least one of main surfaces of the glass sheet; the glass sheet is of a chemically strengthened glass having a compressive stress layer in each of surface layers of the main surfaces and edge surfaces; the glass sheet has a sheet thickness t1 of 0.05-0.25 mm; and the sheet thickness t1, a thickness t2 of the resin film, and yield stress P of the resin film satisfy a relation of {t1 (mm)×4(N/mm2)<t2 (mm)×P(N/mm2)}.

Abstract: The patent application relates generally to a thermal laminate material, more particularly to thermal material comprising at least an intumescent layer and a refractory layer. The intumescent layer and refractory layer are generally stacked one-on-top of the other. The thermal laminate material can include a reinforcement material. The reinforcement material can be a metallic material in the form of sheet or mesh. The intumescent layer can contain one of the metallic sheet reinforcement material or the metallic mesh. The refractory layer can be a ceramic. Moreover, the refractory layer can be a ceramic fiber-based refractory material. The ceramic fiber-based refractory material can be in the form of paper or felt.

Abstract: There is provided a multilayer film comprising a starch layer and at least one other layer. The multilayer film has excellent barrier properties. The starch layer comprises a modified starch having a degree of substitution less than 1.5. Suitable other layers include polyolefins. The multilayer film finds use in packaging, particularly in packaging foodstuffs.

Abstract: Bonded polymeric film laminates comprising core polymer film layers individually coated on at least one side with a heat fusible polymer layer and fusion bonded together by the application of heat and pressure at a temperature at which each heat fusible polymer coating bonds together adjacent core polymer film layers, where the melting point or softening temperature of the heat fusible polymer is at least 3° C. below that of the core layer polymer, and the lamination temperature is at or above the melting point or softening temperature of the heat fusible coating polymer, where the heat fusible polymer coating layers are thinner than the core polymer film layers, where the coated core polymer film layers are uniaxially stretched by 2× to 40×, and the stretched coated core polymer film layers are cross-plied. Methods for forming the laminates, coated films from which the laminates are formed, and articles formed from the laminates are also disclosed.

Abstract: A decorative resin composition containing a metal pigment having an average thickness of not more than 600 nm dispersed in a blend of a low-density polyethylene (LDPE) having a density of not less than 0.910 g/cm3 but less than 0.930 g/cm3 and a linear low-density polyethylene (LLDPE) having a density of 0.910 to 0.925 g/cm3.

Abstract: A composite body in which a resin and a metal are contact-bonded with excellent adhesive force. Also, a composite body which is suppressed in decrease of bonding strength between a resin and a metal due to water absorption of the resin even if the composite body is left in rain or water, or is left in a high humidity environment or the like for a long period of time. The composite body is obtained by contact-bonding a thermoplastic resin (A) and a metal (B), and is characterized in that the thermoplastic resin (A) is a polyamide elastomer (1A) or a thermoplastic resin composition (2A) that contains a water absorbent thermoplastic resin (2a) and a metal hydroxide (2b).

Abstract: A manufacturing method for an ice/hot compress product includes the following steps: providing a polyester fiber cloth as an outer layer; adding a thermochromic material into the outer layer when the outer layer is dyed; and attaching an inner layer to an inner side of the outer layer to which the thermochromic material has been added to form a composite-layer material; manufacturing a container through the composite-layer material.

Abstract: A dye receiving sheet includes a substrate and at least one dye receiving layer on one side of the substrate. The dye receiving layer includes: (a) polymers, wherein the polymers include PVC or PVC-VA copolymer or a mixture thereof, and the polymers are in an amount of 60-85 parts by weight based on the total weight of 100 parts by weight of the dye receiving layer; (b) a plasticizer, wherein the plasticizer has a melting point higher than 40° C., and the plasticizer is in an amount of 10-35 parts by weight based on the total weight of 100 parts by weight of the dye receiving layer; and (c) heat stabilizer, wherein the stabilizer is in an amount of 2-8 parts by weight based on the total weight of 100 parts by weight of the dye receiving layer.

Abstract: The present invention relates to a non-perforated reinforced stretch film comprising: a base film which has a thickness in the range of 3 ?m to 18 ?m, and 5 to 100 reinforcing strips fixed on at least one surface of said base film, wherein the width of each reinforcing strip is, independently, in the range of 1 mm to 17 mm.

Abstract: A decorative laminate is manufactured in accordance with the method comprising preparing a decorative layer composed of a resin impregnated decorative sheet and preparing a core layer including an upper core sheet and a lowermost core sheet. The upper core sheet is prepared by impregnating a first paper with a resin. The lowermost core sheet is prepared by treating a second paper with sodium alginate to produce a sodium alginate treated paper and then impregnating the sodium alginate treated paper with resin. The decorative layer and the core layer are stacked. The decorative layer and the core layer are consolidated under heat and pressure to form the decorative laminate.

Abstract: An equipment system for bond-packaging an LED using an organic silicone resin photoconverter by tandem rolling includes a protective film removing apparatus used for removing a protective film on one side of a photoconversion sheet with protective films on both sides and a roll-bonding apparatus for packaging a flip chip LED array by using the photoconversion sheet containing a protective film on a single side, to form LED package elements. The protective film removing apparatus includes a photoconversion sheet freezing part (2-1, 2-2), a traction part for pulling and removing a protective film on a single side of the frozen photoconversion sheet, and a photoconversion sheet rewarming part (4-1, 4-2) that are sequentially connected and disposed. The roll-bonding apparatus includes two single-wheeled rollers (5-1, 5-2) whose rolling surfaces are both smooth surfaces.

Abstract: A thermo-compression bonding tool with a high temperature elastic element, and methods of bonding a metal sheet to a substrate using a thermo-compression bonding tool are described. In an example, a system for bonding a metal sheet to a substrate includes a stage to support the substrate and an elastic roller located above the stage. The elastic roller includes a high temperature material. The system also includes a heated backing plate located above the elastic roller. The backing plate is configured to apply pressure and heat to the elastic roller as the elastic roller rolls across a metal sheet disposed above the substrate.

Abstract: A composite wall assembly edge joint including a first composite buildup pad having a first tapered section is secured to and extends along a first composite face sheet. A second composite buildup pad having a second tapered section is secured to and extends along a second composite face sheet, wherein the first and second composite buildup pads are positioned between spaced apart first and second composite face sheets. A composite flute core member includes a tapered first portion positioned between and secured to the first tapered section and to the second tapered section. A second portion of the composite flute core member extends in a direction away from the tapered first portion of the composite flute core member and is positioned between, extends along and is secured to the first and second composite face sheets.

Abstract: Herein are disclosed apparatus and methods for impinging heated fluids onto the surfaces of substrates to heat the surfaces of the substrates so as to facilitate melt-bonding the substrates to each other to form a laminate. Also are disclosed are laminates in which a fibrous web is bonded to a substrate in a surface-bonded manner and/or is bonded in a loft-retaining manner. The substrate may comprise protrusions on the surface of the substrate opposite the surface that is bonded to the fibrous web.

Abstract: A light emitting device can further improve light extraction efficiency. A method of manufacturing such a light emitting device can also prove advantageous. The light emitting device includes a light emitting element, a light-transmissive member which is disposed on a light extracting surface side of the light emitting element, and a reflecting layer disposed on an element bonding surface of the light transmissive member where the light emitting element is disposed and adjacent to the light emitting element. The light-transmissive member, in a plan view, has a planar dimension greater than the light extracting surface of the light emitting element.

Abstract: The invention is directed to a tuneable flat panel UV exposure system for screen printing. The panel includes a plurality of UV LED chips where each chip is connected to multiple, independently controllable power sources and pulse width modulation circuits.

Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor belt that includes a suction hole connected to a suction chamber, and conveys a tablet while sucking the tablet to the suction hole; an ink jet print head that has a nozzle surface where a nozzle is formed, and is located above the conveyor belt such that the nozzle surface faces the conveyor belt, and performs printing on the tablet conveyed by the conveyor belt; and a control plate that is located on the upstream side of the print head in the conveying direction of the tablet between the conveyor belt and the height position of the nozzle surface of the print head, and controls an airflow generated between the conveyor belt and the print head.

Abstract: There is described an inking apparatus of a printing press, in particular an offset or letterpress printing press, comprising at least one ink duct (11, 12) with an ink supply roller (13, 14), an ink roller train (30) comprising at least one inking roller (31) which receives ink from the at least one ink duct (11, 12), and at least one vibrator roller (15, 16) interposed between the ink supply roller (13, 4) and the inking roller (31), which vibrator roller (15, 16) is swung back and forth between the ink supply roller (13, 14) and the inking roller (31) and intermittently transfers ink from the ink supply roller (13, 14) to the inking roller (31). A circumference of the vibrator roller (15, 16) exhibits an ink-transfer 10 structure (15a, 16a) which reflects a desired inking profile of a printing plate to be inked by the inking apparatus and is designed to modulate a quantity of ink transferred by the vibrator roller (15, 16).

Abstract: A screen printing apparatus includes an inspection region setter and an operation stop controller. The inspection region setter sets an inspection region in an inspection plane that intersects with a moving path of a mask until the mask positioned at a printing-job performing position moves to a mask shelter position by the moving mechanism. In addition, the inspection region setter excludes a passing region of the mask from the inspection region while the mask to be positioned at the mask shelter position passes over the inspection plane from the printing-job performing position.

Abstract: In accordance with an embodiment, an inkjet head comprises a pressure chamber, an actuator, a nozzle plate, and a head drive circuit. The pressure chamber accommodates ink. The actuator is arranged in correspondence with the pressure chamber. The nozzle plate has a nozzle communicating with the pressure chamber. The head drive circuit applies a drive pulse signal, which includes a first pulse for returning a volume of the pressure chamber after expansion, a second pulse for returning the volume of the pressure chamber after contraction, and a third pulse for returning the volume of the pressure chamber after contraction, to the actuator in such a manner that the second pulse is applied without providing a standby time before the first pulse, and the third pulse is applied without providing the standby time after the first pulse.

Abstract: This disclosure provides a high precision measurement system for rapid, accurate determination of height of a deposition source relative to a deposition target substrate. In one embodiment, each of two transport paths of an industrial printer mounts a camera and a high precision sensor. The cameras are used to achieve registration between split transport axes, and the positions of the high precision sensors are each precisely determined in terms of xy position. One of the high precision sensors is used to measure height of the deposition source, while another measures height of the target substrate. Relative z axis position between these sensors is identified to provide for precise z-coordinate identification of both source and target substrate. Disclosed embodiments permit dynamic, real-time, high precision height measurement to micron or submicron accuracy.

Abstract: A liquid ejection head, including: a first head unit; a second head unit shifted with respect to the first head unit in both of a first direction in which nozzles of the head units are arranged and a second direction orthogonal to the first direction and disposed so as to overlap the first head unit in the second direction; and a first wiring member having flexibility and drawn from the second head unit in the second direction toward the first head unit, wherein the first wiring member includes a large-width portion on which a drive circuit is mounted and a small-width portion having a width in the first direction smaller than a width of the large-width portion in the first direction, and wherein the small-width portion passes through a space existing next to the first head unit in the first direction and extends in the second direction.

Abstract: A fluid ejection device includes a fluid slot, a fluid ejection chamber communicated with the fluid slot, a drop ejecting element within the fluid ejection chamber, a fluid circulation channel communicated at one end with the fluid slot and communicated at another end with the fluid ejection chamber, a fluid circulating element within the fluid circulation channel, and a channel wall separating the fluid ejection chamber and the fluid circulation channel. The fluid circulation channel includes a channel loop, and a width of the channel wall is based on a width of the channel loop and a width of the fluid ejection chamber.

Abstract: A liquid ejection device is disclosed. One liquid ejection device includes a plurality of first contacts connected to a plurality of first piezoelectric elements, respectively, and positioned at a more outer position than a first piezoelectric element row and a second piezoelectric element row from a center of the device in a second direction. The liquid ejection device includes a plurality of second contacts connected to a plurality of second piezoelectric elements, respectively, and positioned at a more outer position than a third piezoelectric element row and a fourth piezoelectric element row from the center of the liquid ejection device in the second direction.

Abstract: A liquid ejecting head includes a flow channel substrate and piezoelectric elements, with a diaphragm between the piezoelectric elements and the flow channel substrate. The flow channel substrate has pressure chambers lined up in a first direction with walls therebetween. Each piezoelectric element includes a first electrode, a piezoelectric layer and a second electrode. Each piezoelectric element has a piezoelectrically active portion, a region in which the piezoelectric layer is sandwiched between the first electrode and the second electrode, and are provided in regions facing the pressure chambers. The liquid ejecting head further includes holding members joined the diaphragm facing the walls using an adhesive agent. The width of the holding members is equivalent to or larger than the width of the walls. The width of an adhesive agent with which the holding members are joined to the diaphragm is equal to or smaller than the width of the walls.

Abstract: A method of forming a substrate for a fluid ejection device includes forming an opening in the substrate from a second side toward a first side, and further forming the opening in the substrate to the first side, including increasing the opening to the first side and increasing the opening at the second side, and forming the opening with substantially parallel sidewalls intermediate the first side and the second side and converging sidewalls to the first side.

Abstract: A capping assembly includes a capper having a perimeter seal for sealing engagement with the printhead. The capping assembly has an enclosed capping volume when the capper is sealingly engaged with the printhead, whereby the capping volume is variable in response to relative differences in pressures inside and outside the capping volume.

Abstract: An ink-jet recording apparatus of the present disclosure includes a recording portion, a cap unit, a wipe unit, and a lid member. The recording portion has a recording head. The cap unit is capable of reciprocating between a first position directly below the recording portion and a second position that is retracted in a horizontal direction from the first position, and has a cap portion that caps the recording head when at the first position. The wipe unit performs a recovery process with respect to the recording head. At the second position, the lid member is disposed above the cap unit and comes into tight contact with the cap portion.

Abstract: A printing system for printing to a recording medium can include a guide, a printer, and a cleaner. The guide can guide the recording medium and be arranged in a first vertically traveling region. The printer having a print bar with a print head can print to the recording medium. The printer can be arranged in a printing position located in the first vertically traveling region, and be displaced, to facilitate the cleaning of the print head, into a service position located in a second vertically traveling region. The cleaner can be adapted to clean the print head. The cleaner can be arranged in a printing position located in the first vertically traveling region, and be displaced into the service position located in the second vertically traveling region to clean the print head. The cleaning can be automatically or manually performed.

Abstract: A liquid ejecting apparatus includes a casing, a liquid ejecting head configured to eject a liquid in the casing, an absorber capable of absorbing a portion of the liquid that has leaked into the casing, and a detector capable of detecting the portion of the liquid absorbed by the absorber. The absorber includes a detection portion to be detected by the detector and a plurality of extension portions extending from the detection portion.

Abstract: A printer includes a medium transporter configured to feed out a medium in a rolled shape and transport the medium in a first direction; a head provided movably in a second direction and configured to eject droplets for image-forming downward along a vertical direction toward the medium which is transported; a receiver provided below a region of the medium facing the head along the vertical direction, and configured to receive the droplets ejected onto the medium from the head and having passed through the medium downward along the vertical direction; and a support member configured switchably arranged at a supporting position arranged between the medium and the receiver along the vertical direction and a retracted position that is retracted from the supporting position, and configured capable of supporting the medium in a state of being arranged at the supporting position.

Abstract: An inkjet recording apparatus includes a tank forming an ink chamber and including an injection inlet, a recording head, a cover, a monitor, a cover sensor, an operation panel, and a controller. The controller controls operation of the recording head and the monitor. The controller performs decision processing deciding whether ink injection into the ink chamber after complement of an initial process is completed, and counts an amount of ink discharged from the recording head. The controller controls the monitor to display notification depending on the decision processing and the counted amount of discharged ink.

Abstract: An image processing apparatus extracts provisional band data from image data. The apparatus calculates near white number for a target line. The near white number is number of pairs of first and second pixels. The first pixel is located on the target line, the second pixel is in positionally adjacent relation to the first pixel. At least one of the first pixel and the second pixel is a near white pixel. In a case where a prescribed border condition is met for the target line, the apparatus determines finalized band data so that a finalized band image includes at least part of the provisional band image, and has the target line as a borderline. In a case where a specific condition is met, the apparatus changes the target line to one of a plurality of candidate lines which is not selected as the target line.

Abstract: As a lubricant present between a transfer belt for transferring a print sheet and a platen plate on a rear side thereof and bringing the both into close contact, a lubricant containing 70 weight % or more of a fatty acid ester solvent with carbon number in a molecule of 20 or more and 34 or less is used so as to reduce sliding between the transfer belt and the platen plate and sliding resistance generated between the transfer belt for transferring the print sheet and an auxiliary plate arranged along this.

Abstract: A printing machine includes a printing assembly and a dryer unit having a dryer, with the dryer having at least one first energy output device. The at least one first energy output device is arranged such that it can be moved over an actuating distance between at least one active position and at least one stop position. The actuating distance extends in a continuously linear manner in or opposite to an actuating direction over at least 75% of its entire length. The actuating direction deviates by a maximum of 40° from at least one horizontal direction. The actuating direction deviates by a maximum of 40° from a normal direction of an average surface normal of an entire section, located in an active region of the at least one first energy device, of a transport path which is provided for a web-type printing machine. A method of operating a printing machine is also disclosed.

Abstract: A printing apparatus includes a drying unit, and has, a first mode in which a temperature of the drying unit is decreased by performing a control of electric connection to a heater of the drying unit or a temperature control of the heater after starting the maintenance work, and the temperature of the drying unit is increased by performing the control of electric connection to the heater or the temperature control of the heater after the maintenance work, and a second mode in which the temperature of the drying unit is decreased by performing the control of electric connection to the heater or the temperature control of the heater after the starting of the maintenance work, and the temperature of the drying unit is increased by performing the control of electric connection to the heater or the temperature control of the heater during the maintenance work.

Abstract: A printing apparatus includes a drying unit that includes a bring-in port where a medium is brought in and a bring-out port where the medium is brought out, and dries ink applied onto the medium, and in a case in which printing is temporarily stopped and a predetermined maintenance work is performed, the medium is transported in a transporting direction which is a direction toward the bring-out port from the bring-in port in a maintenance work period from starting of the maintenance work to finishing of the maintenance work or in a partial period of the maintenance work period.

Abstract: Systems and methods for adjustable path length of print media in a dryer of a printing system. In one embodiment, the dryer includes a drum that applies heat to a web of print media. The dryer also includes first rollers positioned in an arc around the drum to define a path of travel of the web along the arc when the web is between an entrance of the dryer and the drum. The dryer further includes second rollers positioned inside the arc from the first rollers to reverse the path of travel of the web inside the arc when the web is between the drum and an exit of the dryer. A first roller and a second roller transport the web around the drum. A location of the first roller and the second roller relative to the arc defines a length of the web inside the dryer.

Abstract: Systems and methods for evenly heating a drum dryer of a print system. In one embodiment, the dryer is configured to rotate about an axis oriented in a lateral direction, to receive a radiant energy source disposed inside the drum that extends between each lateral end of the drum in the lateral direction, and to receive a reflective assembly inside the drum that includes an inner portion and an outer portion. The inner portion surrounds the radiant energy source and removably attaches the reflective assembly to a lateral end of the drum. The outer portion extends from the inner portion in a radial direction of the drum that is perpendicular to the lateral direction. The outer portion includes a reflective surface that reflects radiant energy from the lateral end to the central portion of the drum in contact with the web.

Abstract: An inkjet printing device includes a vacuum flatbed table configured to support large and flat substrates with applied vacuum power and while printing, in a hold down area, against the vacuum flatbed table; a removable flat substrate support device configured to support large and flat substrates while printing; and a vacuum belt connected to a plurality of pulleys and wrapped around the vacuum flatbed table; wherein the vacuum flatbed table is configured for coupling the removable flat substrate support device stationary to the vacuum flatbed table by applied vacuum power; and the vacuum belt is sandwiched between the removable flat substrate support device and the vacuum flatbed table.

Abstract: An inkjet printing device includes a vacuum flatbed table configured to support large and flat substrates with applied vacuum power and while printing, in a hold down area, against the vacuum flatbed table; and a removable flat substrate support device configured to support large and flat substrates while printing; wherein the vacuum flatbed table is configured for coupling the removable flat substrate support device stationary to the vacuum flatbed table by applied vacuum power.

Abstract: In a printing apparatus according to an embodiment of the present invention, it is possible to inspect an image of a printed product where an image is printed accurately without scratching a print medium as the printed product. In the printing apparatus, first, a reading unit reads the image on the print medium conveyed by a conveyance unit, and a fixing unit fixes the print medium to a reading area by the reading unit. Then, control is performed so as to stop conveyance by the conveyance unit and fix the print medium by the fixing unit at the time of image reading, and release fixing of the print medium by the fixing unit and resume conveyance by the conveyance unit if the image reading is complete.

Abstract: A printing apparatus includes a transporting section that transports a work, a printing mechanism section that has a nozzle plate that performs printing by discharging ink on the work, and a moving section that reciprocally and relatively moves the printing mechanism section in a direction intersecting the transporting direction of the work. In the printing apparatus, when the printing mechanism section moves reciprocally, printing in a forward path includes a first printing area, a second printing areas, and printing in a backward path includes a first printing area, and second printing areas. In addition, the transportation amount of the work is adjusted based on the second printing areas.

Abstract: A liquid discharge apparatus that includes a first movable unit displaceably attached to a fixture portion, a rail unit that includes a planar portion formed along a first direction and is displaceable according to displacement of the first movable unit, and a carriage attached to the rail unit so as to be movable in the first direction and whose posture is changeable according to angle of the planar portion with respect to the fixture portion viewed in the first direction. The first movable unit includes a first adjuster that adjusts position of the rail unit with respect to the fixture portion in a second direction and a second adjuster that adjusts the angle of the planar portion with respect to the fixture portion as viewed in the first direction by pivoting the rail unit around a pivot axis that extends in the first direction.

Abstract: A printer including: a housing; a rotating member that is rotatably fixed to the housing; a fixing part that is formed on the housing, and rotatably supports a rotary shaft of the rotating member; wherein one of the fixing part and the rotating member includes a projection formed around the rotary shaft and capable of contacting the other of the fixing part and the rotating member, the other of the fixing part and the rotating member includes a recess that is formed around the rotary shaft and does not contact the projection, a flat part that is formed around the rotary shaft and allows the rotation of the rotating member while contacting the projection, and a regulating part that is formed around the rotary shaft, contacts the projection and regulates the rotation of the rotating member.