Methods and apparatus for making multi-layer absorbent products
Improved method and apparatus for forming absorbent products and the improved absorbent products formed thereby are disclosed. In a first embodiment of the present invention, a rotary die (100) is used to cut ellipsoidal and hyperbolic-shaped portions (52, 54) from a single sheet of material (50) an...
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| creator | MENARD MICHAEL J |
| description | Improved method and apparatus for forming absorbent products and the improved absorbent products formed thereby are disclosed. In a first embodiment of the present invention, a rotary die (100) is used to cut ellipsoidal and hyperbolic-shaped portions (52, 54) from a single sheet of material (50) and these shapes are overlaid to form an absorbent structure. The shapes are chosen such that there is no waste of the material and yet the resulting absorbent structure is of a useful shape. Methods are also disclosed whereby two sets of rotary dies are used to simultaneously cut two sheets of material into an arcuate segment and the arcuate segments are overlaid atop each other to form useful absorbent structures. In either embodiment, powders such as superabsorbents may be added to one or more of the surfaces of the components used to construct the absorbent structures. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_SI0670153TT1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>SI0670153TT1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_SI0670153TT13</originalsourceid><addsrcrecordid>eNrjZLD3TS3JyE8pVkjMS1FILChILEosKS1WSMsvUshNzM7MS1fILc0pydTNSaxMLVJITCrOL0pKzStRKCjKTylNLinmYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxwZ4GZuYGhqbGISGGxsSoAQC7sDG3</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Methods and apparatus for making multi-layer absorbent products</title><source>esp@cenet</source><creator>MENARD MICHAEL J</creator><creatorcontrib>MENARD MICHAEL J</creatorcontrib><description>Improved method and apparatus for forming absorbent products and the improved absorbent products formed thereby are disclosed. In a first embodiment of the present invention, a rotary die (100) is used to cut ellipsoidal and hyperbolic-shaped portions (52, 54) from a single sheet of material (50) and these shapes are overlaid to form an absorbent structure. The shapes are chosen such that there is no waste of the material and yet the resulting absorbent structure is of a useful shape. Methods are also disclosed whereby two sets of rotary dies are used to simultaneously cut two sheets of material into an arcuate segment and the arcuate segments are overlaid atop each other to form useful absorbent structures. In either embodiment, powders such as superabsorbents may be added to one or more of the surfaces of the components used to construct the absorbent structures.</description><edition>6</edition><language>eng ; slv</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; CUTTING ; CUTTING-OUT ; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HAND CUTTING TOOLS ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PERFORATING ; PERFORMING OPERATIONS ; PROSTHESES ; PUNCHING ; SEVERING ; SEVERING BY MEANS OTHER THAN CUTTING ; STAMPING-OUT ; TRANSPORTING ; TREATMENT OR PROTECTION OF EYES OR EARS</subject><creationdate>1999</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=19991231&DB=EPODOC&CC=SI&NR=0670153T1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19991231&DB=EPODOC&CC=SI&NR=0670153T1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MENARD MICHAEL J</creatorcontrib><title>Methods and apparatus for making multi-layer absorbent products</title><description>Improved method and apparatus for forming absorbent products and the improved absorbent products formed thereby are disclosed. In a first embodiment of the present invention, a rotary die (100) is used to cut ellipsoidal and hyperbolic-shaped portions (52, 54) from a single sheet of material (50) and these shapes are overlaid to form an absorbent structure. The shapes are chosen such that there is no waste of the material and yet the resulting absorbent structure is of a useful shape. Methods are also disclosed whereby two sets of rotary dies are used to simultaneously cut two sheets of material into an arcuate segment and the arcuate segments are overlaid atop each other to form useful absorbent structures. In either embodiment, powders such as superabsorbents may be added to one or more of the surfaces of the components used to construct the absorbent structures.</description><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>CUTTING</subject><subject>CUTTING-OUT</subject><subject>DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING</subject><subject>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</subject><subject>FILTERS IMPLANTABLE INTO BLOOD VESSELS</subject><subject>FIRST-AID KITS</subject><subject>FOMENTATION</subject><subject>HAND CUTTING TOOLS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</subject><subject>PERFORATING</subject><subject>PERFORMING OPERATIONS</subject><subject>PROSTHESES</subject><subject>PUNCHING</subject><subject>SEVERING</subject><subject>SEVERING BY MEANS OTHER THAN CUTTING</subject><subject>STAMPING-OUT</subject><subject>TRANSPORTING</subject><subject>TREATMENT OR PROTECTION OF EYES OR EARS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD3TS3JyE8pVkjMS1FILChILEosKS1WSMsvUshNzM7MS1fILc0pydTNSaxMLVJITCrOL0pKzStRKCjKTylNLinmYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxwZ4GZuYGhqbGISGGxsSoAQC7sDG3</recordid><startdate>19991231</startdate><enddate>19991231</enddate><creator>MENARD MICHAEL J</creator><scope>EVB</scope></search><sort><creationdate>19991231</creationdate><title>Methods and apparatus for making multi-layer absorbent products</title><author>MENARD MICHAEL J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_SI0670153TT13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; slv</language><creationdate>1999</creationdate><topic>BANDAGES, DRESSINGS OR ABSORBENT PADS</topic><topic>CUTTING</topic><topic>CUTTING-OUT</topic><topic>DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING</topic><topic>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>HAND CUTTING TOOLS</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PERFORATING</topic><topic>PERFORMING OPERATIONS</topic><topic>PROSTHESES</topic><topic>PUNCHING</topic><topic>SEVERING</topic><topic>SEVERING BY MEANS OTHER THAN CUTTING</topic><topic>STAMPING-OUT</topic><topic>TRANSPORTING</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><toplevel>online_resources</toplevel><creatorcontrib>MENARD MICHAEL J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MENARD MICHAEL J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Methods and apparatus for making multi-layer absorbent products</title><date>1999-12-31</date><risdate>1999</risdate><abstract>Improved method and apparatus for forming absorbent products and the improved absorbent products formed thereby are disclosed. In a first embodiment of the present invention, a rotary die (100) is used to cut ellipsoidal and hyperbolic-shaped portions (52, 54) from a single sheet of material (50) and these shapes are overlaid to form an absorbent structure. The shapes are chosen such that there is no waste of the material and yet the resulting absorbent structure is of a useful shape. Methods are also disclosed whereby two sets of rotary dies are used to simultaneously cut two sheets of material into an arcuate segment and the arcuate segments are overlaid atop each other to form useful absorbent structures. In either embodiment, powders such as superabsorbents may be added to one or more of the surfaces of the components used to construct the absorbent structures.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; slv |
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| subjects | BANDAGES, DRESSINGS OR ABSORBENT PADS CUTTING CUTTING-OUT DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HAND CUTTING TOOLS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORATING PERFORMING OPERATIONS PROSTHESES PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS |
| title | Methods and apparatus for making multi-layer absorbent products |
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