Single- or multiple-base powder charges for propellants and process for their manufacture
A single- or multiple-base powder charge for propellants is made up of at least one powder grain in the form of a shaped mass of powder having at least one internal cavity. The diameters of the internal cavities within the powder grains making up the charge are different and at least a portion there...
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| creator | GIRKE DIETER BRACHERT HEINRICH KELLNER GERD |
| description | A single- or multiple-base powder charge for propellants is made up of at least one powder grain in the form of a shaped mass of powder having at least one internal cavity. The diameters of the internal cavities within the powder grains making up the charge are different and at least a portion thereof is smaller than the critical diameter that corresponds to the ignition pressure and that governs the penetration of the ignition flame into the internal cavities. With this arrangement at least a portion of the internal cavities is ignited with a retardation only by gas pressures that rise above the ignition pressure. |
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The diameters of the internal cavities within the powder grains making up the charge are different and at least a portion thereof is smaller than the critical diameter that corresponds to the ignition pressure and that governs the penetration of the ignition flame into the internal cavities. With this arrangement at least a portion of the internal cavities is ignited with a retardation only by gas pressures that rise above the ignition pressure.</description><edition>4</edition><language>eng</language><subject>AMMUNITION ; BLASTING ; CHEMISTRY ; EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION ; EXPLOSIVES ; EXPLOSIVES OR THERMIC COMPOSITIONS ; HEATING ; LIGHTING ; MANUFACTURE THEREOF ; MATCHES ; MECHANICAL ENGINEERING ; METALLURGY ; USE OF SINGLE SUBSTANCES AS EXPLOSIVES ; WEAPONS</subject><creationdate>1986</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=19861209&DB=EPODOC&CC=US&NR=4627352A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19861209&DB=EPODOC&CC=US&NR=4627352A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GIRKE; DIETER</creatorcontrib><creatorcontrib>BRACHERT; HEINRICH</creatorcontrib><creatorcontrib>KELLNER; GERD</creatorcontrib><title>Single- or multiple-base powder charges for propellants and process for their manufacture</title><description>A single- or multiple-base powder charge for propellants is made up of at least one powder grain in the form of a shaped mass of powder having at least one internal cavity. The diameters of the internal cavities within the powder grains making up the charge are different and at least a portion thereof is smaller than the critical diameter that corresponds to the ignition pressure and that governs the penetration of the ignition flame into the internal cavities. With this arrangement at least a portion of the internal cavities is ignited with a retardation only by gas pressures that rise above the ignition pressure.</description><subject>AMMUNITION</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION</subject><subject>EXPLOSIVES</subject><subject>EXPLOSIVES OR THERMIC COMPOSITIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MANUFACTURE THEREOF</subject><subject>MATCHES</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>USE OF SINGLE SUBSTANCES AS EXPLOSIVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjDsOwjAQBdNQIOAM-AJpEj41QiD6QEEVLc5zYsnYK68tro8R9FRPozeaeXXvrB8dahWiemaXLBd4kEBxeA2ISk8UR4gyReAYGM6RT6LIDx_WkO-XJtiSIJ8N6ZQjltXMkBOsfruo1ufT9XipwaGHMGl4pP7WbXbNvt02h_a_8QYL0jpB</recordid><startdate>19861209</startdate><enddate>19861209</enddate><creator>GIRKE; DIETER</creator><creator>BRACHERT; HEINRICH</creator><creator>KELLNER; GERD</creator><scope>EVB</scope></search><sort><creationdate>19861209</creationdate><title>Single- or multiple-base powder charges for propellants and process for their manufacture</title><author>GIRKE; DIETER ; BRACHERT; HEINRICH ; KELLNER; GERD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4627352A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>AMMUNITION</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION</topic><topic>EXPLOSIVES</topic><topic>EXPLOSIVES OR THERMIC COMPOSITIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MANUFACTURE THEREOF</topic><topic>MATCHES</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>USE OF SINGLE SUBSTANCES AS EXPLOSIVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GIRKE; DIETER</creatorcontrib><creatorcontrib>BRACHERT; HEINRICH</creatorcontrib><creatorcontrib>KELLNER; GERD</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GIRKE; DIETER</au><au>BRACHERT; HEINRICH</au><au>KELLNER; GERD</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Single- or multiple-base powder charges for propellants and process for their manufacture</title><date>1986-12-09</date><risdate>1986</risdate><abstract>A single- or multiple-base powder charge for propellants is made up of at least one powder grain in the form of a shaped mass of powder having at least one internal cavity. The diameters of the internal cavities within the powder grains making up the charge are different and at least a portion thereof is smaller than the critical diameter that corresponds to the ignition pressure and that governs the penetration of the ignition flame into the internal cavities. With this arrangement at least a portion of the internal cavities is ignited with a retardation only by gas pressures that rise above the ignition pressure.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | AMMUNITION BLASTING CHEMISTRY EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION EXPLOSIVES EXPLOSIVES OR THERMIC COMPOSITIONS HEATING LIGHTING MANUFACTURE THEREOF MATCHES MECHANICAL ENGINEERING METALLURGY USE OF SINGLE SUBSTANCES AS EXPLOSIVES WEAPONS |
| title | Single- or multiple-base powder charges for propellants and process for their manufacture |
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