POWDER FEEDER

PURPOSE: To quantitatively feed almost without weighing errors occurring in a powder quantitatively feeding device having a powder weighing hopper of small capacity below a powder feeding hopper of large capacity by fitting an air intake means having a filter communicating with open air on the ceili...

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1. Verfasser:	HIJIKATA TAIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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creator	HIJIKATA TAIICHI
description	PURPOSE: To quantitatively feed almost without weighing errors occurring in a powder quantitatively feeding device having a powder weighing hopper of small capacity below a powder feeding hopper of large capacity by fitting an air intake means having a filter communicating with open air on the ceiling surface of the powder weighing hopper. CONSTITUTION: When feeding powder, after the powder is first fed into a powder feeding hopper 3, a feeding port 2 is closed. Next, after a damper 5 is opened and a motor 12 is driven to rotate screw 10 and the powder is fed into a powder weighing hopper 7, a motor 12 is stopped and also the damper 5 is closed. Next, a feeding valve 20 is opened and a motor 16 is driven to feed the powder into the weighing hopper 7 little by little. The fed quantity is measured by a load cell 6, and when the measured quantity attains a prescribed one, the feeding valve 20 is closed to stop the supply. At this time, air is sucked into the powder weighing hopper 7 from an air intake means with a filter 14 to keep the inside of the hopper 7 at the same pressure as that of the atmosphere, thereby measuring errors do not occur.
format	Patent
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CONSTITUTION: When feeding powder, after the powder is first fed into a powder feeding hopper 3, a feeding port 2 is closed. Next, after a damper 5 is opened and a motor 12 is driven to rotate screw 10 and the powder is fed into a powder weighing hopper 7, a motor 12 is stopped and also the damper 5 is closed. Next, a feeding valve 20 is opened and a motor 16 is driven to feed the powder into the weighing hopper 7 little by little. The fed quantity is measured by a load cell 6, and when the measured quantity attains a prescribed one, the feeding valve 20 is closed to stop the supply. At this time, air is sucked into the powder weighing hopper 7 from an air intake means with a filter 14 to keep the inside of the hopper 7 at the same pressure as that of the atmosphere, thereby measuring errors do not occur.</description><edition>6</edition><language>eng</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1996</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=19960521&DB=EPODOC&CC=JP&NR=H08126829A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960521&DB=EPODOC&CC=JP&NR=H08126829A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIJIKATA TAIICHI</creatorcontrib><title>POWDER FEEDER</title><description>PURPOSE: To quantitatively feed almost without weighing errors occurring in a powder quantitatively feeding device having a powder weighing hopper of small capacity below a powder feeding hopper of large capacity by fitting an air intake means having a filter communicating with open air on the ceiling surface of the powder weighing hopper. CONSTITUTION: When feeding powder, after the powder is first fed into a powder feeding hopper 3, a feeding port 2 is closed. Next, after a damper 5 is opened and a motor 12 is driven to rotate screw 10 and the powder is fed into a powder weighing hopper 7, a motor 12 is stopped and also the damper 5 is closed. Next, a feeding valve 20 is opened and a motor 16 is driven to feed the powder into the weighing hopper 7 little by little. The fed quantity is measured by a load cell 6, and when the measured quantity attains a prescribed one, the feeding valve 20 is closed to stop the supply. At this time, air is sucked into the powder weighing hopper 7 from an air intake means with a filter 14 to keep the inside of the hopper 7 at the same pressure as that of the atmosphere, thereby measuring errors do not occur.</description><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAN8A93cQ1ScHN1BVI8DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSTeK8DDwMLQyMzCyNLRmBg1AKviHNo</recordid><startdate>19960521</startdate><enddate>19960521</enddate><creator>HIJIKATA TAIICHI</creator><scope>EVB</scope></search><sort><creationdate>19960521</creationdate><title>POWDER FEEDER</title><author>HIJIKATA TAIICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH08126829A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>HIJIKATA TAIICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HIJIKATA TAIICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POWDER FEEDER</title><date>1996-05-21</date><risdate>1996</risdate><abstract>PURPOSE: To quantitatively feed almost without weighing errors occurring in a powder quantitatively feeding device having a powder weighing hopper of small capacity below a powder feeding hopper of large capacity by fitting an air intake means having a filter communicating with open air on the ceiling surface of the powder weighing hopper. CONSTITUTION: When feeding powder, after the powder is first fed into a powder feeding hopper 3, a feeding port 2 is closed. Next, after a damper 5 is opened and a motor 12 is driven to rotate screw 10 and the powder is fed into a powder weighing hopper 7, a motor 12 is stopped and also the damper 5 is closed. Next, a feeding valve 20 is opened and a motor 16 is driven to feed the powder into the weighing hopper 7 little by little. The fed quantity is measured by a load cell 6, and when the measured quantity attains a prescribed one, the feeding valve 20 is closed to stop the supply. At this time, air is sucked into the powder weighing hopper 7 from an air intake means with a filter 14 to keep the inside of the hopper 7 at the same pressure as that of the atmosphere, thereby measuring errors do not occur.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
title	POWDER FEEDER
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