LAMINAR CUSHION
A cushion consisting of three layers of foam plastic or foam rubber separated by double layers of polyolefin foil. The layers of foam material are each formed with a multiplicity of passages extending in the direction of layer thickness, and the passages in each layer are aligned with respective pas...
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| creator | SCHUSTER W,DT |
| description | A cushion consisting of three layers of foam plastic or foam rubber separated by double layers of polyolefin foil. The layers of foam material are each formed with a multiplicity of passages extending in the direction of layer thickness, and the passages in each layer are aligned with respective passages in the other two layers. The polyolefin layers provide two integral, pressure-responsive valves in each passage, each valve being formed by a flap bounded in one foil layer by a crescent-shaped cut and normally superimposed on a portion of the other foil layer formed with an opening therein. The cushion breathes when subjected to varying compressive stresses. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US3818522A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US3818522A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US3818522A3</originalsourceid><addsrcrecordid>eNrjZOD3cfT19HMMUnAODfbw9PfjYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXxocHGFoYWpkZGjsaEVQAAe7kclw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>LAMINAR CUSHION</title><source>esp@cenet</source><creator>SCHUSTER W,DT</creator><creatorcontrib>SCHUSTER W,DT</creatorcontrib><description>A cushion consisting of three layers of foam plastic or foam rubber separated by double layers of polyolefin foil. The layers of foam material are each formed with a multiplicity of passages extending in the direction of layer thickness, and the passages in each layer are aligned with respective passages in the other two layers. The polyolefin layers provide two integral, pressure-responsive valves in each passage, each valve being formed by a flap bounded in one foil layer by a crescent-shaped cut and normally superimposed on a portion of the other foil layer formed with an opening therein. The cushion breathes when subjected to varying compressive stresses.</description><language>eng</language><subject>BEDS ; CHAIRS ; COFFEE MILLS ; DOMESTIC ARTICLES OR APPLIANCES ; FURNITURE ; HUMAN NECESSITIES ; METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING ; PERFORMING OPERATIONS ; SADDLERY ; SOFAS ; SPICE MILLS ; SUCTION CLEANERS IN GENERAL ; TRANSPORTING ; UPHOLSTERY ; UPHOLSTERY NOT OTHERWISE PROVIDED FOR</subject><creationdate>1974</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=19740625&DB=EPODOC&CC=US&NR=3818522A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19740625&DB=EPODOC&CC=US&NR=3818522A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHUSTER W,DT</creatorcontrib><title>LAMINAR CUSHION</title><description>A cushion consisting of three layers of foam plastic or foam rubber separated by double layers of polyolefin foil. The layers of foam material are each formed with a multiplicity of passages extending in the direction of layer thickness, and the passages in each layer are aligned with respective passages in the other two layers. The polyolefin layers provide two integral, pressure-responsive valves in each passage, each valve being formed by a flap bounded in one foil layer by a crescent-shaped cut and normally superimposed on a portion of the other foil layer formed with an opening therein. The cushion breathes when subjected to varying compressive stresses.</description><subject>BEDS</subject><subject>CHAIRS</subject><subject>COFFEE MILLS</subject><subject>DOMESTIC ARTICLES OR APPLIANCES</subject><subject>FURNITURE</subject><subject>HUMAN NECESSITIES</subject><subject>METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING</subject><subject>PERFORMING OPERATIONS</subject><subject>SADDLERY</subject><subject>SOFAS</subject><subject>SPICE MILLS</subject><subject>SUCTION CLEANERS IN GENERAL</subject><subject>TRANSPORTING</subject><subject>UPHOLSTERY</subject><subject>UPHOLSTERY NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1974</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOD3cfT19HMMUnAODfbw9PfjYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXxocHGFoYWpkZGjsaEVQAAe7kclw</recordid><startdate>19740625</startdate><enddate>19740625</enddate><creator>SCHUSTER W,DT</creator><scope>EVB</scope></search><sort><creationdate>19740625</creationdate><title>LAMINAR CUSHION</title><author>SCHUSTER W,DT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US3818522A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1974</creationdate><topic>BEDS</topic><topic>CHAIRS</topic><topic>COFFEE MILLS</topic><topic>DOMESTIC ARTICLES OR APPLIANCES</topic><topic>FURNITURE</topic><topic>HUMAN NECESSITIES</topic><topic>METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING</topic><topic>PERFORMING OPERATIONS</topic><topic>SADDLERY</topic><topic>SOFAS</topic><topic>SPICE MILLS</topic><topic>SUCTION CLEANERS IN GENERAL</topic><topic>TRANSPORTING</topic><topic>UPHOLSTERY</topic><topic>UPHOLSTERY NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHUSTER W,DT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHUSTER W,DT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LAMINAR CUSHION</title><date>1974-06-25</date><risdate>1974</risdate><abstract>A cushion consisting of three layers of foam plastic or foam rubber separated by double layers of polyolefin foil. The layers of foam material are each formed with a multiplicity of passages extending in the direction of layer thickness, and the passages in each layer are aligned with respective passages in the other two layers. The polyolefin layers provide two integral, pressure-responsive valves in each passage, each valve being formed by a flap bounded in one foil layer by a crescent-shaped cut and normally superimposed on a portion of the other foil layer formed with an opening therein. The cushion breathes when subjected to varying compressive stresses.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US3818522A |
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| subjects | BEDS CHAIRS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE HUMAN NECESSITIES METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING PERFORMING OPERATIONS SADDLERY SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING UPHOLSTERY UPHOLSTERY NOT OTHERWISE PROVIDED FOR |
| title | LAMINAR CUSHION |
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