Apparatus and method
A sanitary pad 100 comprises an absorbent core 120, a bottom layer 140 comprising a non-woven fabric and a polyvinyl alcohol PVA film and a fluid impermeable sublayer 130 comprising a water dispersible or soluble polyvinyl alcohol film layer 132, and optionally a non-woven fabric carrier layer 134,...
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| creator | Olivia Youngjoo Ahn Aaron Matthews Koshy Sebastian William Macnair-Smith |
| description | A sanitary pad 100 comprises an absorbent core 120, a bottom layer 140 comprising a non-woven fabric and a polyvinyl alcohol PVA film and a fluid impermeable sublayer 130 comprising a water dispersible or soluble polyvinyl alcohol film layer 132, and optionally a non-woven fabric carrier layer 134, arranged between the absorbent core 120 and the bottom layer 140. The sublayer 130 provides a barrier to moisture from the absorbent core, protecting the integrity of a bottom sheet from any fluid and moisture leakage from the absorbent core, with the polyvinyl alcohol film preventing liquid from passing and the non-woven fabric permitting vapour to be absorbed. Upon disposal in water, soluble PVA films dissolve and allow insoluble layer components to disperse. Additional methods are disclosed for manufacturing a sanitary pad and a bottom layer of a sanitary pad, attaching and assembling release liners, and the patterning of and patterning adhesives on release liners. Various compositions of sanitary pads are also disclosed. |
| format | Patent |
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The sublayer 130 provides a barrier to moisture from the absorbent core, protecting the integrity of a bottom sheet from any fluid and moisture leakage from the absorbent core, with the polyvinyl alcohol film preventing liquid from passing and the non-woven fabric permitting vapour to be absorbed. Upon disposal in water, soluble PVA films dissolve and allow insoluble layer components to disperse. Additional methods are disclosed for manufacturing a sanitary pad and a bottom layer of a sanitary pad, attaching and assembling release liners, and the patterning of and patterning adhesives on release liners. Various compositions of sanitary pads are also disclosed.</description><language>eng</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HUMAN NECESSITIES ; HYGIENE ; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES ; MEDICAL OR VETERINARY SCIENCE ; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PROSTHESES ; TREATMENT OR PROTECTION OF EYES OR EARS</subject><creationdate>2023</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=20231004&DB=EPODOC&CC=GB&NR=2617295A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231004&DB=EPODOC&CC=GB&NR=2617295A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Olivia Youngjoo Ahn</creatorcontrib><creatorcontrib>Aaron Matthews Koshy</creatorcontrib><creatorcontrib>Sebastian William Macnair-Smith</creatorcontrib><title>Apparatus and method</title><description>A sanitary pad 100 comprises an absorbent core 120, a bottom layer 140 comprising a non-woven fabric and a polyvinyl alcohol PVA film and a fluid impermeable sublayer 130 comprising a water dispersible or soluble polyvinyl alcohol film layer 132, and optionally a non-woven fabric carrier layer 134, arranged between the absorbent core 120 and the bottom layer 140. The sublayer 130 provides a barrier to moisture from the absorbent core, protecting the integrity of a bottom sheet from any fluid and moisture leakage from the absorbent core, with the polyvinyl alcohol film preventing liquid from passing and the non-woven fabric permitting vapour to be absorbed. Upon disposal in water, soluble PVA films dissolve and allow insoluble layer components to disperse. Additional methods are disclosed for manufacturing a sanitary pad and a bottom layer of a sanitary pad, attaching and assembling release liners, and the patterning of and patterning adhesives on release liners. Various compositions of sanitary pads are also disclosed.</description><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</subject><subject>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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STENTS</topic><topic>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PROSTHESES</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><toplevel>online_resources</toplevel><creatorcontrib>Olivia Youngjoo Ahn</creatorcontrib><creatorcontrib>Aaron Matthews Koshy</creatorcontrib><creatorcontrib>Sebastian William Macnair-Smith</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Olivia Youngjoo Ahn</au><au>Aaron Matthews Koshy</au><au>Sebastian William Macnair-Smith</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Apparatus and method</title><date>2023-10-04</date><risdate>2023</risdate><abstract>A sanitary pad 100 comprises an absorbent core 120, a bottom layer 140 comprising a non-woven fabric and a polyvinyl alcohol PVA film and a fluid impermeable sublayer 130 comprising a water dispersible or soluble polyvinyl alcohol film layer 132, and optionally a non-woven fabric carrier layer 134, arranged between the absorbent core 120 and the bottom layer 140. The sublayer 130 provides a barrier to moisture from the absorbent core, protecting the integrity of a bottom sheet from any fluid and moisture leakage from the absorbent core, with the polyvinyl alcohol film preventing liquid from passing and the non-woven fabric permitting vapour to be absorbed. Upon disposal in water, soluble PVA films dissolve and allow insoluble layer components to disperse. Additional methods are disclosed for manufacturing a sanitary pad and a bottom layer of a sanitary pad, attaching and assembling release liners, and the patterning of and patterning adhesives on release liners. Various compositions of sanitary pads are also disclosed.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS |
| title | Apparatus and method |
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