VENTED MOLD AND USE THEREOF
A mold for producing foamed articles includes an upper mold and a lower mold which define a mold cavity. A vent is provided in communication with the mold cavity and has a vent passageway with an entrance and an exit. Structure is also provided for sealingly engaging the upper mold with the lower mo...
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| creator | VANDE WETERING, GERRY MAGEE, ROBERT BASIL 17746 AIRPORT ROAD CHENG, WILFRED WANG TAI CLARK, LESLIE EDWARD HUNTER, CRAIG ALLEN |
| description | A mold for producing foamed articles includes an upper mold and a lower mold which define a mold cavity. A vent is provided in communication with the mold cavity and has a vent passageway with an entrance and an exit. Structure is also provided for sealingly engaging the upper mold with the lower mold to cause, in cooperation with the predetermined size and shape of the vent passageway, liquid foam polymeric composition expanding inside the mold cavity to enter the vent entrance but to not exit from the vent exit to cause at least partial curing of the foam composition within the vent passageway. Preferably, the vent may be ribbon-shaped so that a ribbon of foamed composition adheres to the foamed article and may be folded flat against the article thus avoiding the labor step of trimming the flash from the product. Additionally, or alternatively, the vent may include a vent passageway with an obstruction disposed therein to provide one or more openings between the outer surface of the obstruction and the inner surface of the vent passageway. The foam composition in these openings may be expelled by driving the obstruction axially within the passageway. Again, the labor step of hand trimming the flash is avoided. |
| format | Patent |
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A vent is provided in communication with the mold cavity and has a vent passageway with an entrance and an exit. Structure is also provided for sealingly engaging the upper mold with the lower mold to cause, in cooperation with the predetermined size and shape of the vent passageway, liquid foam polymeric composition expanding inside the mold cavity to enter the vent entrance but to not exit from the vent exit to cause at least partial curing of the foam composition within the vent passageway. Preferably, the vent may be ribbon-shaped so that a ribbon of foamed composition adheres to the foamed article and may be folded flat against the article thus avoiding the labor step of trimming the flash from the product. Additionally, or alternatively, the vent may include a vent passageway with an obstruction disposed therein to provide one or more openings between the outer surface of the obstruction and the inner surface of the vent passageway. The foam composition in these openings may be expelled by driving the obstruction axially within the passageway. Again, the labor step of hand trimming the flash is avoided.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>1997</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=19970618&DB=EPODOC&CC=EP&NR=0659113B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970618&DB=EPODOC&CC=EP&NR=0659113B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>VANDE WETERING, GERRY</creatorcontrib><creatorcontrib>MAGEE, ROBERT BASIL 17746 AIRPORT ROAD</creatorcontrib><creatorcontrib>CHENG, WILFRED WANG TAI</creatorcontrib><creatorcontrib>CLARK, LESLIE EDWARD</creatorcontrib><creatorcontrib>HUNTER, CRAIG ALLEN</creatorcontrib><title>VENTED MOLD AND USE THEREOF</title><description>A mold for producing foamed articles includes an upper mold and a lower mold which define a mold cavity. 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The foam composition in these openings may be expelled by driving the obstruction axially within the passageway. Again, the labor step of hand trimming the flash is avoided.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAOc_ULcXVR8PX3cVFw9HNRCA12VQjxcA1y9XfjYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgEGZqaWhobGTobGRCgBAPrDH90</recordid><startdate>19970618</startdate><enddate>19970618</enddate><creator>VANDE WETERING, GERRY</creator><creator>MAGEE, ROBERT BASIL 17746 AIRPORT ROAD</creator><creator>CHENG, WILFRED WANG TAI</creator><creator>CLARK, LESLIE EDWARD</creator><creator>HUNTER, CRAIG ALLEN</creator><scope>EVB</scope></search><sort><creationdate>19970618</creationdate><title>VENTED MOLD AND USE THEREOF</title><author>VANDE WETERING, GERRY ; MAGEE, ROBERT BASIL 17746 AIRPORT ROAD ; CHENG, WILFRED WANG TAI ; CLARK, LESLIE EDWARD ; HUNTER, CRAIG ALLEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0659113B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1997</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>VANDE WETERING, GERRY</creatorcontrib><creatorcontrib>MAGEE, ROBERT BASIL 17746 AIRPORT ROAD</creatorcontrib><creatorcontrib>CHENG, WILFRED WANG TAI</creatorcontrib><creatorcontrib>CLARK, LESLIE EDWARD</creatorcontrib><creatorcontrib>HUNTER, CRAIG ALLEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>VANDE WETERING, GERRY</au><au>MAGEE, ROBERT BASIL 17746 AIRPORT ROAD</au><au>CHENG, WILFRED WANG TAI</au><au>CLARK, LESLIE EDWARD</au><au>HUNTER, CRAIG ALLEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VENTED MOLD AND USE THEREOF</title><date>1997-06-18</date><risdate>1997</risdate><abstract>A mold for producing foamed articles includes an upper mold and a lower mold which define a mold cavity. A vent is provided in communication with the mold cavity and has a vent passageway with an entrance and an exit. Structure is also provided for sealingly engaging the upper mold with the lower mold to cause, in cooperation with the predetermined size and shape of the vent passageway, liquid foam polymeric composition expanding inside the mold cavity to enter the vent entrance but to not exit from the vent exit to cause at least partial curing of the foam composition within the vent passageway. Preferably, the vent may be ribbon-shaped so that a ribbon of foamed composition adheres to the foamed article and may be folded flat against the article thus avoiding the labor step of trimming the flash from the product. Additionally, or alternatively, the vent may include a vent passageway with an obstruction disposed therein to provide one or more openings between the outer surface of the obstruction and the inner surface of the vent passageway. The foam composition in these openings may be expelled by driving the obstruction axially within the passageway. Again, the labor step of hand trimming the flash is avoided.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | VENTED MOLD AND USE THEREOF |
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