RU99120793A - DAMPS, COMPRESSED IN THE VIEW OF THE DOME - Google Patents

DAMPS, COMPRESSED IN THE VIEW OF THE DOME

Info

Publication number
RU99120793A
RU99120793A RU99120793/14A RU99120793A RU99120793A RU 99120793 A RU99120793 A RU 99120793A RU 99120793/14 A RU99120793/14 A RU 99120793/14A RU 99120793 A RU99120793 A RU 99120793A RU 99120793 A RU99120793 A RU 99120793A
Authority
RU
Russia
Prior art keywords
cylindrical
compression
workpiece
chamber
input end
Prior art date
Application number
RU99120793/14A
Other languages
Russian (ru)
Other versions
RU2204368C2 (en
Inventor
Раймонд Дж. мл. ХАЛЛ
Герд Р. РЕКС
Вильфрид БАЕР
Масаки КАСАХАРА
Тосио СОНОДА
Original Assignee
МакНЕЙЛ-ППС, ИНК.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/829,369 external-priority patent/US6003216A/en
Application filed by МакНЕЙЛ-ППС, ИНК. filed Critical МакНЕЙЛ-ППС, ИНК.
Publication of RU99120793A publication Critical patent/RU99120793A/en
Application granted granted Critical
Publication of RU2204368C2 publication Critical patent/RU2204368C2/en

Links

Claims (8)

1. Устройство для аксиального сжатия цилиндрической заготовки в тампон, имеющий куполообразный вводимый конец, причем указанное устройство содержит: цилиндрическую камеру аксиального сжатия, имеющую цилиндрические боковые стенки, вводимый конец и противоположный конец извлечения, причем указанный конец извлечения открыт для подачи цилиндрической заготовки в указанную камеру и для приема возвратно-поступательного сжимающего пресс-штока, приспособленного для приложения сжимающего усилия к концу извлечения введенной в камеру заготовки, а указанный вводимый конец камеры содержит неподвижную стенку вводимого конца, имеющую сквозной канал, при этом указанный канал коаксиален камере сжатия и имеет периферию у стенки вводимого конца меньшего диаметра, чем диаметр цилиндрической камеры сжатия, при этом указанный канал приспособлен для приема возвратно-поступательного выталкивающего штока, причем указанный шток установлен с возможностью возвратно-поступательного движения через указанный канал и через указанную камеру сжатия для выталкивания аксиально сжатой заготовки, указанный выталкивающий шток имеет толкающую поверхность, обращенную в указанную камеру сжатия, указанная толкающая поверхность и указанная стенка вводимого конца указанной камеры сжатия образуют вместе гладкую куполообразную поверхность, чтобы придать гладкую куполообразную форму вводимому концу заготовки, когда указанная заготовка сжимается под действием пресс-штока.1. A device for axial compression of a cylindrical workpiece into a tampon having a domed input end, said device comprising: a cylindrical axial compression chamber having cylindrical side walls, an input end and an opposite end of extraction, said end of extraction being open for supplying a cylindrical workpiece to said chamber and for receiving a reciprocating compression press rod adapted to apply compressive force to the end of the extraction of the preform introduced into the chamber and, and the specified input end of the chamber contains a fixed wall of the input end having a through channel, while the specified channel is coaxial to the compression chamber and has a periphery at the wall of the input end of a smaller diameter than the diameter of the cylindrical compression chamber, while the specified channel is adapted for receiving reciprocating an ejection rod, said rod being reciprocated through said channel and through said compression chamber to eject an axially compressed workpiece and, said push rod has a pushing surface facing said compression chamber, said pushing surface and said wall of the insertion end of said compression chamber together form a smooth domed surface to give a smooth domed shape to the input end of the workpiece when said workpiece is compressed by the press rod . 2. Устройство по п.1, в котором указанный канал имеет диаметр, составляющий 40 - 95% диаметра камеры сжатия. 2. The device according to claim 1, wherein said channel has a diameter of 40 to 95% of the diameter of the compression chamber. 3. Устройство по п.1, в котором указанный канал имеет диаметр, составляющий 70 - 90% диаметра камеры сжатия. 3. The device according to claim 1, wherein said channel has a diameter of 70 to 90% of the diameter of the compression chamber. 4. Устройство по п.1, в котором указанный выталкивающий шток заканчивается толкающей головкой, имеющей указанную толкающую поверхность на ней, указанная толкающая поверхность сужается аксиально от указанной камеры. 4. The device according to claim 1, wherein said push rod ends with a push head having said push surface on it, said push surface tapers axially from said chamber. 5. Способ аксиального сжатия цилиндрической заготовки, имеющий вводимый конец, конец извлечения и цилиндрические стенки между ними, в устойчивый в размерах тампон, предусматривающий подачу указанной заготовки коаксиально в цилиндрическую камеру сжатия, имеющую закрытый вводимый конец, конец извлечения и цилиндрические стенки между ними, причем цилиндрические стенки указанной заготовки вступают во фрикционный контакт с цилиндрическими стенками камеры сжатия, аксиальное сильное сжатие указанной заготовки, причем указанное сильное сжатие прикладывают в такой степени, что вследствие фрикционного контакта вокруг аксиально сжатой заготовки образуется множество круговых складок, причем указанное сжатие достаточно для загибания указанных складок в направлении конца извлечения аксиально сжатой заготовки, для их укладывания на следующий смежный участок цилиндрической стенки аксиально сжатой заготовки. 5. The method of axial compression of a cylindrical billet having an input end, an extraction end and cylindrical walls between them, into a dimensionally stable tampon, comprising supplying said billet coaxially to a cylindrical compression chamber having a closed input end, an extraction end and cylindrical walls between them, the cylindrical walls of the specified workpiece come into frictional contact with the cylindrical walls of the compression chamber, the axial strong compression of the specified workpiece, and the specified strong compression This is applied to such an extent that due to frictional contact, many circular folds are formed around the axially compressed preform, and this compression is sufficient to bend these folds in the direction of the end of extraction of the axially compressed preform, for laying them on the next adjacent section of the cylindrical wall of the axially compressed preform. 6. Способ по п. 5, в котором сжатие прикладывают в такой степени, что заготовка аксиально сжимается от около 15 до около 30% ее длины до сжатия. 6. The method according to p. 5, in which compression is applied to such an extent that the preform axially compresses from about 15 to about 30% of its length before compression. 7. Способ по п.6, в котором аксиально сжатой заготовке позволяют растягиваться после аксиального сжатия до около 50 - 80% длины заготовки перед аксиальным сжатием. 7. The method according to claim 6, in which the axially compressed workpiece is allowed to stretch after axial compression to about 50 - 80% of the length of the workpiece before axial compression. 8. Устойчивый в размерах тампон, содержащий цилиндрический волокнистый корпус, имеющий вводимый конец, конец извлечения и цилиндрические боковые стенки между ними, причем указанный тампон, полученный аксиальным сжатием из заготовки, имеет множество круговых складок, образованных вокруг аксиально сжатой заготовки, причем указанные складки загнуты так, что уложены на следующий смежный участок цилиндрической стенки тампона. 8. A dimensionally stable tampon containing a cylindrical fibrous body having an insertion end, an extraction end and cylindrical side walls between them, said tampon obtained by axial compression from a workpiece, has many circular folds formed around an axially compressed workpiece, said folds being bent so that laid on the next adjacent section of the cylindrical wall of the tampon.
RU99120793/14A 1997-03-31 1998-03-25 Tampons compressed as bowl RU2204368C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/829,369 1997-03-31
US08/829,369 US6003216A (en) 1997-03-31 1997-03-31 Domed compressed tampons

Publications (2)

Publication Number Publication Date
RU99120793A true RU99120793A (en) 2001-08-10
RU2204368C2 RU2204368C2 (en) 2003-05-20

Family

ID=25254347

Family Applications (1)

Application Number Title Priority Date Filing Date
RU99120793/14A RU2204368C2 (en) 1997-03-31 1998-03-25 Tampons compressed as bowl

Country Status (11)

Country Link
US (3) US6003216A (en)
EP (1) EP1014910B1 (en)
JP (1) JP2002512543A (en)
CN (1) CN1257417A (en)
AU (1) AU750937B2 (en)
BR (1) BR9807903A (en)
CA (1) CA2285412C (en)
DE (1) DE69806258T2 (en)
RU (1) RU2204368C2 (en)
WO (1) WO1998043589A1 (en)
ZA (1) ZA982650B (en)

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