Absorption pad

Abstract

The present invention provides an (e.g. absorption) pad comprising an element, the element comprising filamentary tow.

1 . A washer comprising a substantially flat element configured to be positioned between a plurality of surfaces during use, the element comprising at least one opening,
 the element further comprising filamentary tow.   
     
     
         2 . A washer according to  claim 1  wherein the filamentary tow is cellulose acetate filamentary tow. 
     
     
         3 . A washer according to  claim 1  wherein the element is absorbent. 
     
     
         4 . A washer according to  claim 1  wherein the washer has high wettability. 
     
     
         5 . A washer according to  claim 4  wherein the washer has a wettability from 50 mg/10 s to 90 mg/10 s. 
     
     
         6 . A washer according to  claim 1  wherein the washer has a high level of liquid retention. 
     
     
         7 . A washer according to  claim 1  having a liquid retention capability such that removal of the washer from a liquid for 1 hour leads to a percentage weight loss of the washer from 0 to 20%, e.g. 10 to 20%. 
     
     
         8 . A washer according to  claim 1  wherein the element is disc shaped or substantially disc shaped. 
     
     
         9 . A washer according to  claim 1  wherein a surface of the element is substantially polygonal in shape, or
 is substantially rectangular in shape, or 
 is substantially square in shape. 
 
     
     
         10 . A washer according to  claim 1  comprising at least one bore. 
     
     
         11 . A washer according to  claim 10  wherein the bore is at the centre of the washer. 
     
     
         12 . A washer according to  claim 1  comprising at least one portion of the washer wherein part of the perimeter of the washer has been cut away. 
     
     
         13 . A washer according to  claim 1  comprising at least one bore at the centre of the washer and at least one portion of the washer wherein part of the perimeter of the washer has been cut away. 
     
     
         14 . A washer according to  claim 13  comprising two separate portions of the washer wherein part of the perimeter of the washer has been cut away, wherein these portions are disposed on opposite sides of a bore positioned at the centre of the washer. 
     
     
         15 . A washer according to  claim 1  wherein the washer has a diameter from 5 mm to 10 mm. 
     
     
         16 . A washer according to  claim 1  wherein the washer has a thickness from 1 mm to 5 mm. 
     
     
         17 . A device comprising a washer according to  claim 1  wherein the washer engages with at least one surface of the device. 
     
     
         18 . A device according to  claim 17  wherein the device comprises a fluid (e.g. a liquid) containing reservoir. 
     
     
         19 . A smoking article comprising: a housing;
 a heating element;   a power source for at least the heating element;   a fluid reservoir;   and a washer according to  claim 1 .   
     
     
         20 . A device according to  claim 16  wherein the device is a smoking article (e.g. an electronic cigarette or a hybrid smoking article that comprises both a liquid reservoir and a Heated Tobacco portion). 
     
     
         21 . A pad comprising a substantially flat element configured to be positioned between a plurality of surfaces during use, the element comprising filamentary tow. 
     
     
         22 . A pad according to  claim 21  wherein the filamentary tow is cellulose acetate filamentary tow. 
     
     
         23 . A pad according to  claim 21  wherein the element is absorbent. 
     
     
         24 . A pad according to  claim 21  wherein the pad has high wettability. 
     
     
         25 . A pad according to  claim 24  wherein the pad has a wettability from 50 mg/10 s to 90 mg/10 s. 
     
     
         26 . A pad according to  claim 21  wherein the pad has a high level of liquid retention. 
     
     
         27 . A pad according to  claim 21  having a liquid retention capability such that removal of the pad from a liquid for 1 hour leads to a percentage weight loss of the pad from 0 to 20%, e.g. 10 to 20%. 
     
     
         28 . A pad according to  claim 21  wherein the element is disc shaped or substantially disc shaped. 
     
     
         29 . A pad according to  claim 21  wherein a surface of the element is substantially polygonal in shape, or
 is substantially rectangular in shape, or 
 is substantially square in shape. 
 
     
     
         30 . A pad according to  claim 21  wherein the element is a washer (e.g. comprises at least one opening).