RU2015112346A - Устройства и способы для соединения заготовок термокомпрессией - Google Patents

Устройства и способы для соединения заготовок термокомпрессией Download PDF

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Publication number
RU2015112346A
RU2015112346A RU2015112346A RU2015112346A RU2015112346A RU 2015112346 A RU2015112346 A RU 2015112346A RU 2015112346 A RU2015112346 A RU 2015112346A RU 2015112346 A RU2015112346 A RU 2015112346A RU 2015112346 A RU2015112346 A RU 2015112346A
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drum
support shaft
workpiece
layers
rotation
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RU2015112346A
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English (en)
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RU2606706C2 (ru
Inventor
Дэвид Карлтон ОРДВЭЙ
Джиллиан Мари ФРАНКЕ
Жене Сяоцин ХУАН
Уве ШНЕЙДЕР
Майкл Девин ЛОНГ
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Дзе Проктер Энд Гэмбл Компани
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15739—Sealing, e.g. involving cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • A—HUMAN NECESSITIES
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    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • A61F13/4963—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs characterized by the seam
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
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    • B29C66/05—Particular design of joint configurations
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    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
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    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7311—Thermal properties
    • B29C66/73115—Melting point
    • B29C66/73116—Melting point of different melting point, i.e. the melting point of one of the parts to be joined being different from the melting point of the other part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/80—General aspects of machine operations or constructions and parts thereof
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    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
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Abstract

1. Способ формирования шва, содержащий этапы:вращения барабана вокруг оси вращения, при этом барабан содержит форсунку для текучего вещества и прессующий элемент, при этом прессующий элемент имеет наружную поверхность;вращения опорного вала вокруг оси вращения вблизи барабана, при этом опорный вал имеет податливую наружную периферийную поверхность, при этом опорный вал и барабан образуют зазор между ними;продвижения первого слоя заготовки в направлении обработки на барабан, при этом указанный первый слой заготовки имеет внутреннюю поверхностью и наружную поверхность, при этом наружная поверхность первого слоя заготовки находится вблизи барабана;продвижения второго слоя заготовки в направлении обработки, при этом второй слой заготовки имеет внутреннюю поверхность и наружную поверхность, при этом первый слой заготовки находится между вторым слоем заготовки и барабаном, при этом первый и второй слои заготовки характеризуются общим размером в несжатом состоянии;оборачивания первого и второго слоев заготовки вокруг части барабана;нагревания текучего вещества до температуры, достаточной для по меньшей мере частичного расплавления первого и второго слоев заготовки;перемещения форсунки для текучего вещества радиально наружу относительно оси вращения барабана;направления струи нагретого текучего вещества на первый и второй слои заготовки;частичного расплавления первого и второго слоев заготовки;втягивания форсунки для текучего вещества радиально внутрь относительно оси вращения барабана;выдвижения прессующего элемента радиально наружу относительно оси вращения барабана;продвижения первого и второго

Claims (20)

1. Способ формирования шва, содержащий этапы:
вращения барабана вокруг оси вращения, при этом барабан содержит форсунку для текучего вещества и прессующий элемент, при этом прессующий элемент имеет наружную поверхность;
вращения опорного вала вокруг оси вращения вблизи барабана, при этом опорный вал имеет податливую наружную периферийную поверхность, при этом опорный вал и барабан образуют зазор между ними;
продвижения первого слоя заготовки в направлении обработки на барабан, при этом указанный первый слой заготовки имеет внутреннюю поверхностью и наружную поверхность, при этом наружная поверхность первого слоя заготовки находится вблизи барабана;
продвижения второго слоя заготовки в направлении обработки, при этом второй слой заготовки имеет внутреннюю поверхность и наружную поверхность, при этом первый слой заготовки находится между вторым слоем заготовки и барабаном, при этом первый и второй слои заготовки характеризуются общим размером в несжатом состоянии;
оборачивания первого и второго слоев заготовки вокруг части барабана;
нагревания текучего вещества до температуры, достаточной для по меньшей мере частичного расплавления первого и второго слоев заготовки;
перемещения форсунки для текучего вещества радиально наружу относительно оси вращения барабана;
направления струи нагретого текучего вещества на первый и второй слои заготовки;
частичного расплавления первого и второго слоев заготовки;
втягивания форсунки для текучего вещества радиально внутрь относительно оси вращения барабана;
выдвижения прессующего элемента радиально наружу относительно оси вращения барабана;
продвижения первого и второго слоев заготовки через зазор; и
сжатия первого и второго слоев заготовки между прессующим элементом и опорным валом и деформирования податливой наружной периферийной поверхности опорного вала.
2. Способ по п. 1, характеризующийся тем, что опорный вал деформируется на радиальную толщину, составляющую по меньшей мере приблизительно 25% общего размера первого и второго слоев заготовки в несжатом состоянии.
3. Способ по п. 1, характеризующийся тем, что опорный вал деформируется на радиальную толщину, составляющую по меньшей мере приблизительно 50% общего размера первого и второго слоев заготовки в несжатом состоянии.
4. Способ по п. 3, характеризующийся тем, что опорный вал содержит муфту, при этом муфта формирует наружную периферийную поверхность опорного вала.
5. Способ по п. 1, характеризующийся тем, что податливая наружная периферийная поверхность опорного вала характеризуется твердостью по Шору А в диапазоне от приблизительно 20 до приблизительно 100.
6. Способ по п. 1, характеризующийся тем, что барабан имеет наружную периферийную поверхность и отверстие барабана в указанной наружной периферийной поверхности, и при этом форсунка для текучего вещества и прессующий элемент расположены радиально внутри относительно отверстия в указанной наружной периферийной поверхности.
7. Способ по п. 1, характеризующийся тем, что прессующий элемент прижимает первый и второй слои заготовки к опорному валу под давлением от приблизительно 1×105 ньютонов на квадратный метр до приблизительно 1×108 ньютонов на квадратный метр.
8. Способ по п. 1, характеризующийся тем, что прессующий элемент содержит множество выступов, при этом выступы имеют наружную поверхность, при этом этап сжатия первого и второго слоев заготовки между прессующим элементом и опорным валом содержит сжатие первого и второго слоев заготовки между указанными выступами прессующего элемента и опорным валом.
9. Способ по п. 8, характеризующийся тем, что наружная поверхность выступов выполнена скругленной.
10. Способ по п. 8, характеризующийся тем, что выступы пространственно разнесены по отношению друг к другу.
11. Способ по п. 1, характеризующийся тем, что дополнительно содержит этапы:
втягивания прессующего элемента радиально внутрь в барабан;
выдвижения прессующего элемента радиально наружу из барабана;
вращения второго опорного вала, находящегося вблизи барабана, при этом второй опорный вал содержит податливую наружную периферийную поверхность; и
сжатия первого и второго слоев заготовки между прессующим элементом и вторым опорным валом таким образом, чтобы прессующий элемент деформировал сжимаемый материал опорного вала.
12. Способ по п. 1, характеризующийся тем, что первый и второй слои заготовки представляют собой нетканые материалы.
13. Способ по п. 1, характеризующийся тем, что текучим веществом является окружающий воздух.
14. Способ по п. 1, характеризующийся тем, что дополнительно содержит этап разрезания первого и второго слоев заготовки на отдельные изделия ножевым валом.
15. Устройство для соединения термокомпрессией первой и второй заготовок, при этом первая и вторая заготовки характеризуются общим размером в несжатом состоянии, при этом устройство содержит:
барабан, содержащий наружную периферийную поверхность и отверстие барабана в наружной периферийной поверхности, при этом барабан выполнен с возможностью вращения вокруг оси вращения;
форсунку для текучего вещества, подвижно соединенную с барабаном, расположенную радиально внутри относительно отверстия барабана и выполненную с возможностью направления текучего вещества радиально наружу через отверстие барабана;
опорный вал, содержащий наружную периферийную поверхность, расположенную вблизи барабана таким образом, чтобы образовывать зазор между опорным валом и барабаном, при этом опорный вал выполнен с возможность вращения вокруг оси вращения, при этом опорный вал содержит податливую муфту, образующую наружную периферийную поверхность опорного вала, при этом наружная периферийная поверхность опорного вала выполнена с возможностью деформирования в направлении к оси вращения опорного вала; и
прессующий элемент, подвижно соединенный с барабаном, расположенный радиально внутри относительно отверстия барабана, и выполненный с возможностью прохождения через отверстие барабана.
16. Устройство по п. 15, характеризующееся тем, что опорный вал выполнен с возможностью деформирования на радиальную толщину, составляющую по меньшей мере приблизительно 25% общего размера первой и второй заготовок в несжатом состоянии.
17. Устройство по п. 15, характеризующееся тем, что муфта выполнена с возможностью деформирования на радиальную толщину, составляющую по меньшей мере 50% общего размера первой и второй заготовок в несжатом состоянии.
18. Устройство по п. 15, характеризующееся тем, что податливая наружная периферийная поверхность опорного вала характеризуется твердостью по Шору А в диапазоне от приблизительно 20 до приблизительно 100.
19. Устройство по п. 15, характеризующееся тем, что прессующий элемент содержит выступ, протяженный радиально наружу относительно оси вращения, при этом выступ определяет наружную поверхность.
20. Устройство по п. 19, характеризующееся тем, что прессующий элемент и опорный вал выполнены с возможностью деформирования первой и второй заготовок в направлении, не являющемся тангенциальным к наружной поверхности выступа
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