DIAPHRAGM PUMP
A diaphragm pump is provided in which, when a rolling diaphragm is set to an extended attitude by projectively moving a piston as far as possible, a curved portion that is formed by opening a folded portion does not have a distorted shape, but has an expected shape that is smoothly curved, whereby t...
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| creator | MORI Mitsuo NARUO Motoaki TESHIMA Kazukiyo |
| description | A diaphragm pump is provided in which, when a rolling diaphragm is set to an extended attitude by projectively moving a piston as far as possible, a curved portion that is formed by opening a folded portion does not have a distorted shape, but has an expected shape that is smoothly curved, whereby the liquid quantity and time period that are required for a liquid replacement in a flushing mode can be reduced, and the liquid replacement efficiency is improved. In a diaphragm pump having: a fluorine resin-made rolling diaphragm 3 including: an inner circumferential portion 3c which elongates along an outer circumferential surface 2e of a piston 2; an outer circumferential portion 3e which elongates along the inner circumferential surface 1r of a cylinder 1; and a folded portion 3d which is formed by folding back in a tubular space 13 between the cylinder 1 and the piston 2; and a pump chamber 4 which is separated by the rolling diaphragm 3 in the cylinder 1, the rolling diaphragm 3 is produced in an extended attitude corresponding to an attitude obtained when, by a projective movement of the piston 2, the outer circumferential portion 3e is eliminated, and the folding of the folded portion 3d is opened. |
| format | Patent |
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In a diaphragm pump having: a fluorine resin-made rolling diaphragm 3 including: an inner circumferential portion 3c which elongates along an outer circumferential surface 2e of a piston 2; an outer circumferential portion 3e which elongates along the inner circumferential surface 1r of a cylinder 1; and a folded portion 3d which is formed by folding back in a tubular space 13 between the cylinder 1 and the piston 2; and a pump chamber 4 which is separated by the rolling diaphragm 3 in the cylinder 1, the rolling diaphragm 3 is produced in an extended attitude corresponding to an attitude obtained when, by a projective movement of the piston 2, the outer circumferential portion 3e is eliminated, and the folding of the folded portion 3d is opened.</description><language>eng ; fre ; ger</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181107&DB=EPODOC&CC=EP&NR=2775143B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181107&DB=EPODOC&CC=EP&NR=2775143B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORI Mitsuo</creatorcontrib><creatorcontrib>NARUO Motoaki</creatorcontrib><creatorcontrib>TESHIMA Kazukiyo</creatorcontrib><title>DIAPHRAGM PUMP</title><description>A diaphragm pump is provided in which, when a rolling diaphragm is set to an extended attitude by projectively moving a piston as far as possible, a curved portion that is formed by opening a folded portion does not have a distorted shape, but has an expected shape that is smoothly curved, whereby the liquid quantity and time period that are required for a liquid replacement in a flushing mode can be reduced, and the liquid replacement efficiency is improved. In a diaphragm pump having: a fluorine resin-made rolling diaphragm 3 including: an inner circumferential portion 3c which elongates along an outer circumferential surface 2e of a piston 2; an outer circumferential portion 3e which elongates along the inner circumferential surface 1r of a cylinder 1; and a folded portion 3d which is formed by folding back in a tubular space 13 between the cylinder 1 and the piston 2; and a pump chamber 4 which is separated by the rolling diaphragm 3 in the cylinder 1, the rolling diaphragm 3 is produced in an extended attitude corresponding to an attitude obtained when, by a projective movement of the piston 2, the outer circumferential portion 3e is eliminated, and the folding of the folded portion 3d is opened.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOBz8XQM8AhydPdVCAj1DeBhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAUbm5qaGJsZOhsZEKAEAjyYciA</recordid><startdate>20181107</startdate><enddate>20181107</enddate><creator>MORI Mitsuo</creator><creator>NARUO Motoaki</creator><creator>TESHIMA Kazukiyo</creator><scope>EVB</scope></search><sort><creationdate>20181107</creationdate><title>DIAPHRAGM PUMP</title><author>MORI Mitsuo ; NARUO Motoaki ; TESHIMA Kazukiyo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2775143B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MORI Mitsuo</creatorcontrib><creatorcontrib>NARUO Motoaki</creatorcontrib><creatorcontrib>TESHIMA Kazukiyo</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORI Mitsuo</au><au>NARUO Motoaki</au><au>TESHIMA Kazukiyo</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DIAPHRAGM PUMP</title><date>2018-11-07</date><risdate>2018</risdate><abstract>A diaphragm pump is provided in which, when a rolling diaphragm is set to an extended attitude by projectively moving a piston as far as possible, a curved portion that is formed by opening a folded portion does not have a distorted shape, but has an expected shape that is smoothly curved, whereby the liquid quantity and time period that are required for a liquid replacement in a flushing mode can be reduced, and the liquid replacement efficiency is improved. In a diaphragm pump having: a fluorine resin-made rolling diaphragm 3 including: an inner circumferential portion 3c which elongates along an outer circumferential surface 2e of a piston 2; an outer circumferential portion 3e which elongates along the inner circumferential surface 1r of a cylinder 1; and a folded portion 3d which is formed by folding back in a tubular space 13 between the cylinder 1 and the piston 2; and a pump chamber 4 which is separated by the rolling diaphragm 3 in the cylinder 1, the rolling diaphragm 3 is produced in an extended attitude corresponding to an attitude obtained when, by a projective movement of the piston 2, the outer circumferential portion 3e is eliminated, and the folding of the folded portion 3d is opened.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS |
| title | DIAPHRAGM PUMP |
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