Patents Assigned to Zuiko Corporation
  • Publication number: 20130284361
    Abstract: A method includes steps of carrying an air-permeable web while holding the first surface of the web on a carrying surface; dispensing powder particles onto the second surface of the web; and while drawing the first air from a plurality of suction holes in the carrying surface through the web, thereby holding the powder particles in a predetermined pattern on the second surface of the web, discharging the second air toward the web through a discharge hole open in a non-suction area, whereby the powder particles on non-suction areas are blown away by the second air, thus arranging the powder particles in a predetermined pattern on the web.
    Type: Application
    Filed: February 2, 2012
    Publication date: October 31, 2013
    Applicant: ZUIKO CORPORATION
    Inventors: Yoshio Tsujimoto, Masaki Nakakado
  • Patent number: 8556790
    Abstract: A flap folding system for a disposable article, includes: main pads each for receiving a main body on a main holding surface thereof provided along a conveyance circle about a main rotation shaft and moving along the conveyance circle following rotation of the main rotation shaft while holding the main body on the main holding surface; a pair of side pads provided for each main pad adjacent to the conveyance circle of the main pad each for receiving an end portion of the flap in a girth direction on a sub-holding surface thereof provided along the conveyance circle and holding the end portion of the flap on the sub-holding surface; and a folding mechanism for rotating the side pads with respect to the main pad so that the sub-holding surfaces of the side pads oppose the main holding surface of the main pad, thereby folding the flap.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: October 15, 2013
    Assignee: Zuiko Corporation
    Inventor: Yukihiko Fujita
  • Patent number: 8512496
    Abstract: An elastic member drive device includes: a drive shaft 12a that allows a plurality of pulleys 21, 31 and 41 to be removably attached as being coaxially aligned in the rotation center axis direction; transmission belts 23, 33 and 43 that are respectively wound around pulleys 21, 31 and 41; and a driver portion 12 that controls regular and reverse rotations of the drive shaft 12a, wherein the guides 25, 35 and 45 are respectively fixed to the transmission belts 23, 33 and 43. A feed amount difference in the web width direction is allowed to be set for each of the guides 25, 35 and 45 by determining a pulley diameter ratio among the pulleys 21, 31 and 41.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: August 20, 2013
    Assignee: Zuiko Corporation
    Inventor: Kazutoshi Makimura
  • Publication number: 20130184137
    Abstract: A method for manufacturing a disposable worn article, including: severing a continuous web W along a cut-off line L1 having a predetermined wave shape, dividing the continuous web W into a first and second divided webs W1, W2; allowing the first and second divided webs W1, W2 to cross each other in a width direction X so as to reverse positions of the first and second divided webs W1, W2 in the width direction X; reversing the second divided web W2 by twisting the second divided web W2 by 180°; rotating a second side panel which is cut off from the second divided web W2 by 180°, thereby producing a second side panel PR in line symmetry with a first side panel PL which is cut off from the first divided web W1; and placing and fastening the side panels PL, PR to the side portions of the body 20.
    Type: Application
    Filed: November 8, 2011
    Publication date: July 18, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Toyoshi Umebayashi
  • Publication number: 20130178350
    Abstract: A method for manufacturing a disposable worn article including an absorbent body 2 and an external sheet 3, the method including the steps of: carrying a continuous sheet in a carrying direction X, wherein the continuous sheet includes external sheets 3 continuous with one another in the carrying direction, the external sheets 3 being stretchable in a girth direction Y and substantially less stretchable in the carrying direction X perpendicular to the girth direction Y; placing the absorbent body 2 on the continuous sheet while a front portion 2f, a crotch portion 2c and a rear portion 2b are lined up in the carrying direction X; and severing the continuous sheet along a virtual cut-off line extending in the girth direction Y, thereby obtaining individual worn articles each having the absorbent body 2 placed on the external sheet 3.
    Type: Application
    Filed: November 8, 2011
    Publication date: July 11, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Toyoshi Umebayashi
  • Publication number: 20130172843
    Abstract: Disclosed is a wound dressing which can retain exudate to prevent it from spreading over a larger area while maintaining a moist environment, can be easily peeled off after use, can prevent skin redness, heat rash, or offensive smell, and can fit various shapes of wound surfaces. The wound dressing is provided with a liquid-permeable layer (1) on the surface to be used to face a wound site (15). The liquid-permeable layer (1) comprises a resin surface sheet (10). The surface sheet (10) comprises a first surface (11) which is to face the wound site (15), a second surface (12) which is the opposite surface to the first surface, and a large number of penetration pores (13) penetrating through the sheet from the first surface (11) to the second surface (12) in the thickness direction. The penetration pores (13) allow the permeation of a liquid from the first surface (11) to the second surface (12). The first surface (11) is hydrophobic.
    Type: Application
    Filed: May 31, 2011
    Publication date: July 4, 2013
    Applicant: Zuiko Corporation
    Inventor: Shuhei Kurata
  • Publication number: 20130160184
    Abstract: A method for manufacturing a disposable worn article of the present invention includes: a first step of applying an adhesive on at least one of a first web and a second web; a second step of sandwiching an elastic member between the first and second webs and combining the first and second webs and the elastic member together, thereby producing a combined web; and a third step of melting a portion of at least one of the first and second webs and a portion of the elastic member, thereby reducing a shrinking force of the elastic member in the melted portion.
    Type: Application
    Filed: February 19, 2013
    Publication date: June 27, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Zuiko Corporation
  • Publication number: 20130160194
    Abstract: The method comprises the steps of: preparing a first suction-holding section and a second suction-holding section; positioning the first suction-holding section and the second suction-holding section in such a manner that respective surfaces of the first suction-holding section and the second suction-holding section are aligned side-by-side while facing the same side; suction-holding a forward surface of a main body of an developed module by the first suction-holding section, and suction-holding a rearward surface of the main body of the developed module by the second suction-holding section; closing the first suction-holding section and the second suction-holding section to fold the main body in half; and releasably joining superimposed portions of the developed module half-folded by the half-folding step.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 27, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Takahiro Shimada
  • Patent number: 8440039
    Abstract: It includes: a carrying step of carrying a continuous member of a combined web in a direction perpendicular to a girth direction Y; a first folding step of folding a girth portion 3, while performing the carrying step, so that a non-skin-contact surface 3b of the girth portion 3 lies on a non-skin-contact surface 3b of one of first and second side flaps; a second folding step of folding the first and second side flaps, while performing the carrying step and after the first folding step, so that skin-contact surfaces 3a of the first and second side flaps lie on skin-contact surfaces 3a of a back portion and a front portion; a cut-off step of cutting the continuous member into individual worn articles, after the second folding step; and a third folding step of folding the individual worn articles so that a first fastener member 31 provided on a skin-contact surface 3a of the girth portion 3 lies on a second fastener member 32 provided on a non-skin-contact surface 3b of the other one of the first and second sid
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: May 14, 2013
    Assignee: Zuiko Corporation
    Inventor: Masaki Nakakado
  • Publication number: 20130110073
    Abstract: The present invention relates to a disposable worn article, including: an absorbent body 2 including an absorbent core 24 which absorbs body fluid laminated between a liquid-permeable top sheet 26 and a liquid-impermeable back sheet 27; a pair of front flaps Ff extending in a girth direction X to be continuous with a front portion 20 of the absorbent body 2 that covers a front surface of a torso of a wearer; and a pair of back flaps Fb extending in the girth direction to be continuous with a back portion 21 of the absorbent body 2 that covers a back surface of the torso of the wearer, wherein: the front and back flaps Ff and Fb include a stretchable non-woven fabric 31 that stretches in the girth direction X; and an entire area of the absorbent core 24 is not essentially covered by the stretchable non-woven fabric 31.
    Type: Application
    Filed: July 19, 2011
    Publication date: May 2, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Toyoshi Umebayashi
  • Publication number: 20130068590
    Abstract: A device for aligning and transferring articles including: a counter 3 for aligning, at a gathering position P, an article set W composed of a predetermined number of uncompressed articles; a discharger 4 for discharging the article set W aligned at the gathering position P to a receiving position P0; and at least one transfer bed for supporting a bottom surface of the article set W and reciprocating between the receiving position P0 and a hand-over position P1, P2, thereby receiving the article set W at the receiving position P0, transferring the article set W to the hand-over position P1, P2, and returning to the receiving position P0. The transfer bed L1, R1 and the second support section 20 for compressing the article set W are driven by first and second motors, respectively.
    Type: Application
    Filed: June 23, 2011
    Publication date: March 21, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Yukihiko Fujita
  • Publication number: 20130053811
    Abstract: Front and back flaps 3F and 3B are protruding past a crotch portion 22 to a same position in the girth direction X; a back member 4b is attached to the back flap 3B, the back member 4b protruding in the girth direction X from an edge of the back flap 3B; a front member 4f protruding in the girth direction X from an edge of the front flap 3F is detachably touch-fastened to a non-skin-contact surface of the front flap 3F which does not contact a skin of the wearer; the crotch portion 22 is folded along a virtual first line L1 parallel to the girth direction X so that a front girth portion 3F and a back girth portion 3B are laid on each other and so that the back member 4b and the front member 4f are facing each other and in contact with each other; and the back member 4b and the front member 4f facing each other are secured to each other in an area where the back member 4b and the front member 4f are in contact with each other.
    Type: Application
    Filed: June 27, 2011
    Publication date: February 28, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Toyoshi Umebayashi
  • Patent number: 8382928
    Abstract: A method for manufacturing a pants-type diaper of the present invention includes: a step of carrying a diaper body in a longitudinal direction X; a first folding step of folding a side panel 3 along a first line L1 extending in the longitudinal direction; a first attachment step of attaching first end portions 31 of a pair of side panels 3 to end portions 20a (21a), opposing each other in a girth direction Y, of the front portion 20 or the back portion 21; a second folding step of folding the diaper body 2 along a second line L2 extending along the girth direction Y so that the front portion 20 and the back portion 21 lie on each other; and a second attachment step of attaching second end portions 32 of the pair of side panels 3 to end portions, opposing each other in the girth direction Y, of the back portion 21 or the front portion 20, to which the side panel 3 has not been attached in the first attachment step.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: February 26, 2013
    Assignee: Zuiko Corporation
    Inventor: Toyoshi Umebayashi
  • Publication number: 20130029827
    Abstract: A device including: a main folding mechanism for folding a diaper body in two at the crotch portion by rotating first and second main pads having first and second holding surfaces, respectively; and a sub-folding mechanism for folding the flap by rotating a side pad having a sub-holding surface for holding the flap with respect to the first main pad, wherein; a cut-out is formed at a position corresponding to the attachment portion of the second main pad, wherein the cut-out does not allow the attachment portion to be held by the second main pad but instead expose the attachment portion; with the first and second holding surfaces being closed while opposing each other and with the main body folded in two, the cut-out allows the flap to be attached to the attachment portion; and the side pad rotates from a position where it is open while lying next to the first main pad in the girth direction to a position where the sub-holding surface is closed while opposing the first holding surface, fitting into the cut-ou
    Type: Application
    Filed: May 30, 2011
    Publication date: January 31, 2013
    Applicant: ZUIKO CORPORATION
    Inventor: Yukihiko Fujita
  • Patent number: 8362316
    Abstract: Provided is a further improved wound dressing suitable for a method for treating a wound while maintaining a moist environment created by exudate oozing from the wound. The wound dressing (5) comprises at least three layers including a first layer, a second layer and a third layer in order from the side used in contact with a wound site, which layers are integrally stacked together. The first layer (1) comprises a resin sheet material having a number of pores penetrating in a thickness direction. The second layer (2) comprises a sheet material of which the surface is water-repellent and becomes water-permeable when pressure is applied. The third layer (3) comprises a sheet material capable of absorbing and holding water. The wound dressing optionally comprises a fourth layer comprising a resin film, a fabric or a nonwoven.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: January 29, 2013
    Assignee: Zuiko Corporation
    Inventor: Shuhei Kurata
  • Patent number: 8323443
    Abstract: The present invention relates to a new worn article, which gives a close fit and with which it is possible to reduce the production cost. A worn article of the present invention includes a main body portion 20 including an absorbent core 25 and covering a front torso area, a crotch area and a rear torso area of a wearer, and a pair of side panels PL and PR attached to the main body portion 20 and located between the front and rear torso areas when the worn article is worn. Each of the side panels PL and PR is stretchable in an around-the-torso direction X. At least a portion of the side panel PL and PR includes an elastic thread G sandwiched between at least two sheet-like materials S1 and S2 and is in a contracted state where the elastic thread is contracted, thus forming gathers.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: December 4, 2012
    Assignee: Zuiko Corporation
    Inventors: Takao Wada, Masaki Nakakado
  • Patent number: 8273003
    Abstract: An apparatus of the present invention includes: a folding section 2 for folding a web W in two so that opposite side edges Wa and Wb of the web W are brought into a predetermined positional relationship with each other by bringing the web W into contact with an abutting member 4; a pair of carrying means 10A and 10B arranged along opposite sides of the web W for carrying the web W in the longitudinal direction X; a plurality of holding means 20 provided in each of the carrying means 10A and 10B wherein the holding means 20 can be displaced in the transverse direction D of the web W; displacement means 30 for displacing the holding means 20 in the transverse direction D upstream of the abutting member 4 so as to correct a positional relationship between the web W and the abutting member 4; detection means 3 for outputting positional information regarding a position of the web W in the transverse direction D; and control means 200 for controlling the displacement means 30 based on the positional information.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: September 25, 2012
    Assignee: Zuiko Corporation
    Inventors: Toyoshi Umebayashi, Takahiro Shimada
  • Patent number: 8257527
    Abstract: A laminated stretchable sheet and a method for producing the same of the present invention include: a step of shrinking the continuous sheets W1 and W2 in a width direction Y along folding lines WL extending in the flow direction of continuous sheets W1 and W2 thereby forming slack portions W1b and W2b that can be stretched; a step of placing an elastic member F that can be stretched in the width direction Y on the continuous sheets W1 and W2 while the elastic member F is aligned with the slack portions W1b and W2b; a step of attaching at least opposite end portions of the elastic member F in the width direction Y to the continuous sheets W1 and W2, during the placement, thereby forming a composite sheet; a step of stretching the slack portions W1b and W2b and the elastic member F in the width direction Y; and a step of attaching together the continuous sheets W1 and W2 and the elastic member F intermittently in an intermediate portion between the opposite end portions.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: September 4, 2012
    Assignee: Zuiko Corporation
    Inventor: Masaki Nakakado
  • Patent number: 8211256
    Abstract: A method for producing a disposable worn article and a laminated stretchable sheet of the present invention includes: a step of forming stretched elastic sheet pieces F1 from a continuous elastic sheet; a step of carrying continuous webs Wa and Wb to be torso portions; a step of placing the elastic sheet pieces F1 intermittently on the continuous webs Wa and Wb; a step of bonding opposite end portions of the elastic sheet pieces F1 in the longitudinal direction to the continuous webs Wa and Wb by an adhesive, during the placement; an ultrasonic attachment step of forming a laminated stretchable sheet in an overlap portion between an intermediate portion between the opposite end portions of the elastic sheet piece F1 and the continuous webs; a placement step of placing core portions C, each of which forms a crotch portion 33, between adjacent ones of the elastic sheet pieces F1; and a step of cutting off the laminated stretchable sheet between adjacent ones of the core portions C.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: July 3, 2012
    Assignee: Zuiko Corporation
    Inventor: Masaki Nakakado
  • Publication number: 20120115700
    Abstract: A method comprising the steps of: carrying a continuous sheet W1 which is an external sheet 3 being continuous in the longitudinal direction X perpendicular to the girth direction Y; carrying a continuous laminate W2 which is an absorbent body 2 being continuous in the longitudinal direction X perpendicular to the girth direction Y; cutting off a tip portion of the continuous laminate W2 in the carrying direction X1 to obtain absorbent bodies 2 one after another; separating the cut-off absorbent bodies 2 from each other in the longitudinal direction X of the absorbent bodies; placing the absorbent bodies 2 in a detatchable manner and intermittently on the continuous sheet W1; and severing the continuous sheet W1 between the absorbent bodies 2, thereby obtaining individual worn articles 1 each having the absorbent body 2 placed on the external sheet 3.
    Type: Application
    Filed: July 13, 2010
    Publication date: May 10, 2012
    Applicant: ZUIKO CORPORATION
    Inventor: Toyoshi Umebayashi