A61F13/15804

Device replacement in wearable article manufacturing equipment
11365752 · 2022-06-21 · ·

A panel attachment structure for a wearable article manufacturing equipment includes: lower and upper panels vertically arranged while separated up-and-down; a first processing section and a first driving section respectively attached to a front face and a back face of the lower panel; a second processing section and a second driving section respectively attached to a front face and a back face of the upper panel; a base horizontally arranged under the lower panel; and a pair of pillars raised from the base, wherein, in the structure, the lower and upper panels are removably fixed to the pillars while being supported by the respective lower and upper parts of the pillars, and each pillar has a support section, provided between the upper and lower panels and supporting the load of the upper panel.

WEARABLE ARTICLE PRODUCTION METHOD, WEARABLE ARTICLE, AND WEARABLE ARTICLE PRODUCTION DEVICE
20220183902 · 2022-06-16 ·

A wearable article production method for a stretchable sheet having partially weakened stretchability includes a welding step of ultrasonically welding two sheet bodies and an elastic film to each other at plural joints separated from each other in a predetermined transport direction in a region including a predetermined attachment location by transporting a sheet laminate formed by sandwiching the elastic film in an elongated state between the two sheet bodies in the transport direction so that the sheet laminate passes between an anvil roll and an ultrasonic horn to form a stretchable sheet; a weakening step of forming weakened regions, where stretchability of the elastic film is weakened, at least at a part of the attachment location in the stretchable sheet after the welding step; and an attachment step of attaching an absorbent main body to the attachment location so that the absorbent main body overlaps the weakened regions.

PROCESS FOR MAKING A COMPOSITE ELASTIC TAPE, ELASTIC TAPE SO OBTAINED AND PANTY DIAPER COMPRISING SAID ELASTIC TAPE
20220168153 · 2022-06-02 ·

Disclosed is a process for making a composite elastic tape, elastically extendable along its longitudinal direction, including: providing a tape of elastic material having a main elongation direction; providing first and second tapes of fibrous and porous material; cutting the tape of elastic material into strips along the direction; tensioning the strips of elastic material along the direction to elastically lengthen and distance them; arranging the first and the second tape of fibrous and porous material respectively above and below the tensioned, elastically elongated and spaced strips; and fixing the strips while being tensioned, elastically elongated and spaced, between the first and the second tape of fibrous and porous material in an undeformed condition, to make a composite elastic material shaped like a tape. Also disclosed is the composite elastic tape thus obtained, suitable for the waist region of a diaper as well as other products incorporating such tape.

BOXER-SHORTS-TYPE DISPOSABLE DIAPER AND METHOD FOR PRODUCING SAME
20230270602 · 2023-08-31 · ·

Provided are disposable diapers that are easy to manufacture. This problem is solved by a boxer-shorts-type disposable diaper including an outer member having ventral and dorsal outer members and a crotch outer member extending therebetween and to be placed through the crotch of a wearer, and an inner member containing an absorber body and joined to the interior face of at least the crotch outer member, wherein the ventral/dorsal outer members are joined in the middle of the width direction in the crotch-side end to the crotch outer member to form ventral/dorsal seams, respectively, the areas extending along the edges of the leg openings in the ventral/dorsal outer members are stretchable in the width direction, and the areas extending along the edges of the leg openings in the crotch outer member are stretchable in the front-back direction.

Absorbent article with channels and method for manufacturing thereof

A method for manufacturing an absorbent article, said method comprising guiding a first sheet material along a rotating member, wherein a surface of said rotating member is provided with a pattern with at least one suction zone and at least one non-suction zone; applying an absorbent material on said first sheet material on the rotating member; locally removing the absorbent material applied on at least one attachment portion of the first sheet material located above the at least one non-suction zone, such that at least one remaining portion of the first sheet material located above the at least one suction zone is covered with absorbent material and substantially no absorbent material is present on the at least one attachment portion; applying a second sheet material on top of the absorbent material on the first sheet material.

PACKAGING PLANT FOR GROUPS OF HYGIENIC ABSORBENT ARTICLES, TRANSPORT APPARATUS AND RELATED METHODS
20230255834 · 2023-08-17 ·

A packaging plant of groups of absorbent sanitary articles able to create various types of customized packages in relation to the needs of consumers, automatically and without interruptions in the production of absorbent sanitary articles. The present invention also relates to a method for managing a packaging plant. The present invention also relates to a transport apparatus for absorbent sanitary articles, as well as to a method for transporting absorbent sanitary articles.

Disposable product assembly systems and methods
11325801 · 2022-05-10 · ·

A machine for producing disposable products anticipates when a current run of a product size is coming to an end, and therefore begins loading of material rolls intended for the next product size or code that will be run. An integrated production facility layout automatically orders and stocks raw material based on production plans, and commands a production machine to produce specific products of differing configurations, and automatically loads appropriately sized raw materials into the process.

Method and apparatus for producing absorbent sanitary articles, and relative absorbent sanitary product
11723815 · 2023-08-15 · ·

A method and apparatus for producing absorbent sanitary articles including an absorbent body having two front oblique sides and two rear oblique sides, and two longitudinal elastic bands attached to the absorbent body along said oblique sides, where each of said elastic bands includes a front section and a rear section separated from each other by transverse cuts and joined together by refastenable closure formations.

Absorbent cores and methods for forming absorbent cores

Pulpless absorbent cores and methods of manufacture are disclosed. A method of forming a pulpless absorbent core may comprise moving a foraminous forming surface having un-masked portions and masked portions in a machine direction, the un-masked portions defining an absorbent core region. The method may further comprise depositing particulate material at a velocity of less than 1200 meters per minute in the absorbent core region while applying a vacuum. The absorbent core region may comprise: a front core region spanning a first half of the absorbent core region and a rear core region spanning a second half, wherein the front core region trails the rear core region in the machine direction, and the masked portions of the foraminous forming surface block airflow through the forming surface to cause greater than 60% of the particulate material deposited in the absorbent core region to locate in the front core region.

Manufacturing method and manufacturing apparatus for disposable wearable article
11311425 · 2022-04-26 · ·

In order to manufacture a wearable article of the first size, the introduction velocity is set to the first introduction velocity having a high velocity and the arrangement velocity is set to the first the arrangement velocity having a high velocity. In order to manufacture wearable article of the second size having a shorter length in the carrying direction than that of the first size, the introduction velocity is set to the second introduction velocity lower than the first introduction velocity and the arrangement velocity is set to the second arrangement velocity lower than the first the arrangement velocity and the drum velocity is set to a fixed velocity regardless of the size.