Abstract: A screening examination system for screening and examining paper roll is disclosed to include a first conveyor unit, which comprises a first movable wheel set, a first drive wheel, a first fixed wheel and a first conveyor belt, a second conveyor unit, which comprises a second movable wheel set, a second drive wheel, a second fixed wheel and a second conveyor belt, and an examination unit, which examine test products and adjusts the relative positioning between the first movable wheel set and the second movable wheel set subject to examination result for enabling defective products to fall into the gap between the first conveyor unit and the second conveyor unit, accordingly, quality product to be delivered from the first conveyor unit to the second conveyor unit.

Abstract: A web product sorting machine includes a first conveyor unit, a second conveyor unit set adjacent to the first conveyor unit, and a screening unit. A gap is defined between the first conveyor unit and the second conveyor unit. The first conveyor unit is adapted for delivering web products and tail wastes and for enabling web products to be sent to the second conveyor unit. The screening unit is set above the first conveyor unit for screening the web products and the tail wastes to cause each passed tail waste to fall onto the first conveyor unit from a standing position and then to fall out of the first conveyor unit through the gap.

Abstract: A web product cutting and screening machine includes a first conveying unit having a first movable roller set, a second conveying unit having a second movable roller set movable relative to the first movable roller set and defining with the first movable roller set a first gap therebetween, and a cutter movable across the first gap to cut off a web product, producing a head cut piece, normal cut pieces and a tail cut piece. During screening operation, the second movable roller set can be moved away from the first movable roller set to screen the heat cut piece and the first movable roller set can be moved away from the second movable roller set to screen the tail cut piece, and therefore the web product cutting and screening efficiency is improved.

Abstract: A gluing mechanism incorporating a notched glue scraper and a method thereof are disclosed. A glue dispensing roller is provided adjacent to a web material traveling path where a web material is conveyed to get past, and operated to touch glue contained in a glue tank, and accordingly, a glue carrying roller surface of the glue dispensing roller is coated with the glue. A notched scraper blade, which faces the glue carrying roller surface of the glue dispensing roller, scrapes the glue stayed on the portion of the glue carrying roller surface, which corresponds with the non-notched area of the scraper edge. Comparatively, the glue stayed on the rest of the glue carrying roller surface is formed a glue layer for subsequently applying to a gluing side of the web material, wherein the rest of the glue carrying roller surface corresponds with notched area of the scraper edge.

Abstract: Disclosed is a pre-wound sheet cut-off mechanism of a thin material sheet winding device, including a first winding roller, a plurality of curved guide plates arranged at a predetermined distance below the first winding roller and distributed and spaced from each other by a predetermined distance along an axial direction of a shaft of the first winding roller, a plurality of pre-winding plates each coupled between adjacent curved guide plates, a second winding roller, and a rider roller. In a winding operation, a core is conveyed into a curved-guide-plate channel defined between the first winding roller and the curved guide plates to adhere to and pre-wind a thin material sheet that is conveyed to the first winding roller, and is thereafter transported to a winding nip to form a roll with the thin material sheet.

Abstract: A tissue paper winding machine includes a first winding roller and a web separator arranged below the first winding roller. A tissue paper is fed into the winding machine to bear against a lower circumferential surface of the first winding roller and moves along a predetermined feeding direction for winding around a core. The web separator includes a pivot shaft, at least one pinch arm having a connecting end connected to the pivot shaft and a pressing end radially outward extended from the pivot shaft, and a driving mechanism for driving the pinch arm to turn about the pivot shaft reverse to the feeding direction of the tissue paper. When the pressing end of the pinch arm is turned to a separation position, it cooperates with the first winding roller to clamp the tissue paper therebetween, and applies a reverse pulling force to split the tissue paper.

Abstract: A winding device with a planetary-roller tear-off mechanism is disclosed, comprising a first winding roller which is driven to rotate in a predetermined direction and a plurality of core support plates that are arranged at a predetermined distance below the first winding roller, wherein an interval between the core support plates and the first winding roller is defined as a curved channel. A web material is conveyed through the curved channel to a winding zone to be wound as a roll. The planetary-roller tear-off mechanism includes a plurality of rotary arms and a plurality of planetary rollers. Each rotary arm is set at a predetermined location below the first winding roller, and having a driving end and a free end. Each planetary roller is rotatable, and mounted to the free end of the respective rotary arm.

Abstract: A gluing mechanism and method is used to dispense glue onto predetermined positions at a gluing side of a long tape of tissue paper when the tissue paper is feeding through a winding machine. The gluing mechanism includes a glue dispensing roller oriented towards and located at a predetermined distance from the gluing side of the tissue paper; at least one gluing member located near a predetermined feeding path of the tissue paper to orient toward a contact side of the tissue paper opposite to the gluing side, and including a pivot end and an action end. A driving mechanism is connected to the pivot end of the gluing member for driving the gluing member to turn about the pivot end, so as to move the action end of the gluing member to a glue dispensing position oriented toward the glue dispensing roller or away from the glue dispensing position.

Abstract: Disclosed are a method and a structure for cutting off web in a winding machine. The winding machine includes an upper winding roller having a circumferential surface close to and below which a cut-off mechanism is arranged. The cut-off mechanism includes a pivot shaft having an outer circumferential surface and at least one pinch arm having a connecting end mounted to the outer circumferential surface of the pivot shaft and a web engagement end extending outward from the outer circumferential surface of the pivot shaft and forming at least one suction opening. At least one cutting blade is provided on the web engagement end of the pinch arm at a location immediately by the suction opening.

Abstract: Disclosed are a method and a structure for separating the web material in a winding machine. The winding machine includes an upper winding roller and a separation mechanism arranged at a location close to and below the upper winding roller. The separation mechanism includes a pivot shaft having an outer circumferential surface and at least one pinch arm having a connecting end coupled to the outer circumferential surface of the pivot shaft and a web engagement end extending outward from the outer circumferential surface of the pivot shaft. When the pinch arm is driven by a driving mechanism to rotate the web engagement end of the pinch arm to an engagement position where the web engagement end opposes the upper winding roller, the web engagement end of the pinch arm sucks and holds or guides a web material passing therethrough, whereby the web material is subjected to a pulling force induced by a roll of paper formed in a winding nip to tear and thus separate.

Abstract: Disclosed are a method and a structure for separating the web material in a winding machine. The winding machine includes an upper winding roller and a separation mechanism arranged at a location close to and below the upper winding roller. The separation mechanism includes a pivot shaft having an outer circumferential surface and at least one pinch arm having a connecting end coupled to the outer circumferential surface of the pivot shaft and a web engagement end extending outward from the outer circumferential surface of the pivot shaft. When the pinch arm is driven by a driving mechanism to rotate the web engagement end of the pinch arm to an engagement position where the web engagement end opposes the upper winding roller, the web engagement end of the pinch arm sucks and holds or guides a web material passing therethrough, whereby the web material is subjected to a pulling force induced by a roll of paper formed in a winding nip to tear and thus separate.

Abstract: In a mechanism and method for bonding two paper sheets on an interfolding machine, pre-compressing mechanisms are provided on each of two folding rollers to produce compress-to-bond areas on overlapped portions of two thick or air-impermeable paper sheets transferred to the two folding rollers, so that all plies of the two paper sheets at the compress-to-bond areas are compressed to bond together. Thereby, when the interfolding machine operates at a high speed, a plurality of the locally compressed and bonded paper sheets may still be smoothly folded to form a stack of interfolded paper sheets, such as a tissue paper stack or a paper towel stack.

Abstract: A tissue paper winding and cutting apparatus includes a first winding roll, at least one core support plate, a pinch roller, and at least one arm. A channel is formed between the core support plate and the first winding roll. A tissue paper is attached to a lower half of the first winding roll for winding around a first core. The pinch roller is arranged below the first winding roll to partially project into the channel, and the arm is extended to a lower side of the first winding roll and has a bottom protuberance facing the pinch roller, so that a narrowed passage is formed in the channel. A second core rolling to and hindered by the narrowed passage holds the tissue paper thereto, and the tissue paper is pulled broken by a pulling force from a rolled tissue formed on the first core.

Abstract: A web product sorting machine includes a first conveyor unit, a second conveyor unit set adjacent to the first conveyor unit, and a screening unit. A gap is defined between the first conveyor unit and the second conveyor unit. The first conveyor unit is adapted for delivering web products and tail wastes and for enabling web products to be sent to the second conveyor unit. The screening unit is set above the first conveyor unit for screening the web products and the tail wastes to cause each passed tail waste to fall onto the first conveyor unit from a standing position and then to fall out of the first conveyor unit through the gap.

Abstract: A screening examination system for screening and examining paper roll is disclosed to include a first conveyor unit, which comprises a first movable wheel set, a first drive wheel, a first fixed wheel and a first conveyor belt, a second conveyor unit, which comprises a second movable wheel set, a second drive wheel, a second fixed wheel and a second conveyor belt, and an examination unit, which examine test products and adjusts the relative positioning between the first movable wheel set and the second movable wheel set subject to examination result for enabling defective products to fall into the gap between the first conveyor unit and the second conveyor unit, accordingly, quality product to be delivered from the first conveyor unit to the second conveyor unit.

Abstract: A winding device with a planetary-roller tear-off mechanism is disclosed, comprising a first winding roller which is driven to rotate in a predetermined direction and a plurality of core support plates that are arranged at a predetermined distance below the first winding roller, wherein an interval between the core support plates and the first winding roller is defined as a curved channel. A web material is conveyed through the curved channel to a winding zone to be wound as a roll. The planetary-roller tear-off mechanism includes a plurality of rotary arms and a plurality of planetary rollers. Each rotary arm is set at a predetermined location below the first winding roller, and having a driving end and a free end. Each planetary roller is rotatable, and mounted to the free end of the respective rotary arm.

Abstract: Disclosed are a method and a structure for cutting off web in a winding machine. The winding machine includes an upper winding roller having a circumferential surface close to and below which a cut-off mechanism is arranged. The cut-off mechanism includes a pivot shaft having an outer circumferential surface and at least one pinch arm having a connecting end mounted to the outer circumferential surface of the pivot shaft and a web engagement end extending outward from the outer circumferential surface of the pivot shaft and forming at least one suction opening. At least one cutting blade is provided on the web engagement end of the pinch arm at a location immediately by the suction opening.

Abstract: A multiply thin paper sheet having a press-to-bond structure is disclosed, including a first thin paper layer having a first stacking surface and at least one second thin paper layer having a second stacking surface. The first and second stacking surfaces are partially overlapped with each other to define a stacking zone provided between the first thin paper layer and the second thin paper layer. After the stacking zone is subjected to a rolling operation by a rolling pressure, a plurality of first pressed sections are formed on the first thin paper layer, having a predetermined height extended according to a given direction, and a plurality of second pressed sections are formed on the second thin paper layer according to the given direction and respectively corresponding to the first pressed sections of the first thin paper layer.

Abstract: A tissue paper cutting mechanism having upper knife with variable spiral curve angle includes a base, a bed knife roller rotatably mounted on the base and provided on a circumferential surface with a plurality of straight bed knives radially spaced at predetermined intervals, a knife carrier mounted on the base near the bed knife roller at an axis skew angle relative to the bed knife roller, and an upper knife associated with a structural surface of the knife carrier to extend along a longitudinal axis direction of the knife carrier from an end to another opposite end thereof in a spiral direction, such that an angle contained between an axis of the upper knife and a tangential line to the circumferential surface of the bed knife roller non-linearly varies with every change of the cutting position on the upper knife.

Abstract: Disclosed is a pre-wound sheet cut-off mechanism of a thin material sheet winding device, including a first winding roller, a plurality of curved guide plates arranged at a predetermined distance below the first winding roller and distributed and spaced from each other by a predetermined distance along an axial direction of a shaft of the first winding roller, a plurality of pre-winding plates each coupled between adjacent curved guide plates, a second winding roller, and a rider roller. In a winding operation, a core is conveyed into a curved-guide-plate channel defined between the first winding roller and the curved guide plates to adhere to and pre-wind a thin material sheet that is conveyed to the first winding roller, and is thereafter transported to a winding nip to form a roll with the thin material sheet.