CN1575785A

CN1575785A - Disposable humanbody fluid processing article

Info

Publication number: CN1575785A
Application number: CNA2004100586086A
Authority: CN
Inventors: 吉冈稔泰; 川上祐介; 山南智康
Original assignee: Unicharm Corp
Current assignee: Unicharm Corp
Priority date: 2003-07-24
Filing date: 2004-07-23
Publication date: 2005-02-09
Anticipated expiration: 2024-07-23
Also published as: TWI235648B; CN100400020C; KR20050012139A; KR101157228B1; TW200505393A; JP2005040220A; JP4426787B2

Abstract

To prevent the deviation of a worn urine absorbing pad relative to the body. The urine absorbing pad 1 is provided with a belly side abutment area 6, a back side abutment area 7, and a crotch part abutment area 8. The belly side abutment area 6 is provided with a central part 15 and a pair of wing parts 16 in the width direction and is formed wider than the crotch part abutment part 8. The belly side abutment area 6 is formed with rigidity change areas 51 extending in parallel to a central line C-C in the both sides of the central line C-C. As for relation between the bending rigidity of parts outward the rigidity change areas 51 in the width direction and the bending rigidity inward the areas 51 in the width direction in the belly side abutment area 6, when either one bending rigidity is set to a reference, the other bending rigidity has, at least 1.5 times thereof.

Description

Disposable humoral is handled articles for use

Technical field

The present invention relates to a kind of disposable humorals such as urine absorbent pad that are suitable for incontinent individuals wear and handle articles for use.

Background technology

Open in the 2003-93439 communique (patent documentation 1) disclosed absorbent commodity the Japan Patent spy and be applicable to as urine absorbent pad and use, wear with combination such as disposable diaper.In order to carry out this combination, on the outer surface of the egative film of absorbent commodity, be provided with the anti-locking mechanism of dislocation that mechanical type secure component or right binding agent constitute.

A kind of feces retracting device with sack is disclosed in Japan Patent special table 2002-507915 communique (patent documentation 2).This device is applicable to and disposable diaper etc. and usefulness to have the sack that is used to keep feces, is formed with to receive the flange that divides other peristome and extend on this sack around this peristome.Be coated with the pressure-sensitive bonding agent on the flange.In such device, because of this bonding agent flange closely contacts with the device wearer's skin.

(patent documentation 1)

The spy opens the 2003-93439 communique

(patent documentation 2)

Special table 2002-507915 communique

The patent documentation 1 that is used to handle body fluid and wears or the article of patent documentation 2, when wearing, the mechanism by mechanisms such as binding agent or pressure-sensitive bonding agent, mechanical type secure components is fixed on the health directly or indirectly.Yet, in these mechanisms, if this mechanism is binding agent or bonding agent, then except existing it to become the reason of wearers skin eczema, maybe when it is separated with skin, give outside the skin problem such with strong stimulation, also exist when stain because of dirt or sweat stain etc. on this mechanism surface, promptly can not re-use such problem.In addition, if this mechanism is the mechanical type secure component with respect to the diaper that is worn, then maybe can become the such problem of the parts of its sub except existing parts with diaper one side of this unit construction also to be limited to the mechanical type secure component, also there is such problem, promptly because urine absorbent pad itself does not have the detent mechanism with respect to the wearer, so when wearing urine absorbent pad repeatedly, be difficult to make urine absorbent pad to be in suitable position all the time with respect to wearer's health.

Summary of the invention

Problem of the present invention is to solve above-mentioned all problems, so that the disposable humoral processing articles for use such with the above-mentioned prior art of dressing articles and usefulness such as improvement open type diaper or shorts type diaper, cover of diaper etc.

In order to solve above-mentioned problem, handle articles for use as the disposable humoral of object of the present invention and comprise liquid permeability top sheet, opaque liquid bottom sheet and the body liquid absorptive core between these two, the width that has fore-and-aft direction and intersect with this fore-and-aft direction, be formed with the veutro contact area in the place ahead of above-mentioned fore-and-aft direction, the rear is formed with the dorsal part contact area, is formed with crotch portion contact area between this two contact area.

In such throw-away body fluid treating article, of the present invention being characterized as, above-mentioned veutro contact area forms than the wider width ground of above-mentioned crotch portion contact area, so that the both sides of above-mentioned veutro contact area form a pair of alar part, contain above-mentioned core in each of a pair of above-mentioned alar part and the central part that is positioned between a pair of above-mentioned alar part, and comprise the variation in rigidity zone respectively in both sides with the binary centrage of width of above-mentioned throw-away body fluid treating article, this variation in rigidity zone is parallel with above-mentioned centrage, extend along above-mentioned fore-and-aft direction, and the size that on above-mentioned width, has 2～15mm, the above-mentioned fore-and-aft direction of above-mentioned veutro contact area and the flexural rigidity on the above-mentioned width, sharply changing between the part of above-mentioned width foreign side from the part of above-mentioned region of variation side in above-mentioned width and from above-mentioned region of variation, when being benchmark with the rigidity of the arbitrary part in above-mentioned two parts, the rigidity of another part has 1.5 times value at least.

The present invention has following preferred example.

(1) above-mentioned inside side's part is that the border comprises at least one side above-mentioned core inequality in thickness and the density with above-mentioned part to foreign side with above-mentioned variation in rigidity zone, and above-mentioned thus rigidity takes place sharply to change.

(2) above-mentioned region of variation is to make above-mentioned two parts isolating groove on above-mentioned width.

(3) in above-mentioned dorsal part contact area, also be formed with above-mentioned variation in rigidity zone.

(4) rigidity of part of side is at least to the part of above-mentioned width foreign side inflexible 1.5 times in above-mentioned width.

Description of drawings

Fig. 1 is the partial cutaway vertical view of urine absorbent pad.

Fig. 2 is the figure of the II-II line section of presentation graphs 1.

Fig. 3 is the figure of the III-III line section of presentation graphs 1.

Fig. 4 is the figure of the IV-IV line section of presentation graphs 1.

Fig. 5 is the axonometric chart of the urine absorbent pad under the state that wears.

Fig. 6 is the figure identical with Fig. 1 of one of expression example example.

Fig. 7 is the figure identical with Fig. 3 of one of expression example example.

Fig. 8 is the figure identical with Fig. 3 of one of expression example example.

Fig. 9 is the figure identical with Fig. 3 of one of expression example example.

Figure 10 is the figure identical with Fig. 9 of one of expression example example.

The specific embodiment

Below, with the example of disposable urine absorbent pad as disposable humoral processing articles for use, the present invention is described in detail with reference to accompanying drawing.

Fig. 1 is the partial cutaway vertical view of urine absorbent pad 1.Urine absorbent pad 1 has liquid permeability surface patch 2 in its inner face side, at the opaque liquid bottom sheet 3 of exterior side and the body liquid absorptive core 4 that is general hourglass between these two 2,3.The outside at the periphery 10 of core 4 is formed with both side edges portion flap 11, front-end edge portion flap 12 and end edge portion flap 13.The part that the periphery 10 from core 4 of surface patch 2 and bottom sheet 3 extends out is bonded with each other by bonding or deposited, forms the part of both side edges portion flap 11, front-end edge portion flap 12 and end edge portion flap 13.Urine absorbent pad 1 also its width is halved and drawing vertically be that the front portion of the centrage C-C that extends of fore-and-aft direction has veutro contact area 6, have dorsal part contact area 7 at the rear portion, between this two

contact area

6,7, have crotch portion contact area 8.The inner face side of urine absorbent pad 1 be formed with parallel with centrage C-C, in front and back upwardly extending a pair of leakproof band respect to one another (カ Off) 21.Leakproof band 21 has inner edge portion 22, outer edge 23, front-end edge portion 24 and end edge portion 25, and outer edge 23, front-end edge portion 24 and end edge portion 25 lay respectively at both side edges portion flap 11, front-end edge portion flap 12 and end edge portion flap 13 places of urine absorbent pad 1.Installing with tensile state of the inner edge portion 22 of leakproof band 21 by the turn back the inside elastomeric element 27 parallel of the cover 26 that forms of leakproof band 21 with centrage C-C, urine absorbent pad 1 is when wearing, elastomeric element 27 shrinks, and the inner edge portion 22 of leakproof band 21 can erect (with reference to Fig. 5) towards the top of surface patch 2 whereby.

The both side edges portion flap 11 of such urine absorbent pad 1 in crotch portion contact area 8 is convex curvature towards centrage C-C, and in addition, the periphery 10 of core 4 also is convex curvature towards centrage C-C.Both side edges portion 11 near centrage C-C, has width A at position 11a place; Periphery 10 near centrage C-C, has width B at position 10a place.This position 10a, 11a are positioned at central part on the fore-and-aft direction of urine absorbent pad 1 to than the more close veutro contact area 6 of this central part.

Veutro contact area 6 has front, center portion 15 and a pair of anterior alar part 16, wherein, front, center portion 15 is the part of the inboard of a pair of chain-dotted line D that extends in parallel with centrage C-C, and this centrage C-C passes position 10a, the 10a of the pair of right and left of the core 4 in the crotch portion contact area 8; Anterior alar part 16 is respectively the part in the outside of a pair of chain-dotted line D, and its broad ways is extended to foreign side, and can widely cover urine absorbent pad wearer's veutro part.

Dorsal part contact area 7 has rear portion central part 31 and a pair of rear portion alar part 32, wherein, rear portion central part 31 is the part of the inboard of a pair of chain-dotted line D, rear portion alar part 32 is respectively the part in the outside of a pair of chain-dotted line D, its broad ways is extended to foreign side, and can widely cover urine absorbent pad wearer's posterior components.

Fig. 2 is the II-II line cutaway view of expression along cross-section crotch portion contact area 8 among Fig. 1.Surface patch 2 and bottom sheet 3 are extended and superimposed to the side from the periphery 10 of core 4, and are bonded with each other.Bottom sheet 3 is further extended to the side than surface patch 2, and the outer edge 23 of leakproof band 21 is engaged in the part that this extends out.The inner edge portion 22 of leakproof band 21 is positioned at the top of surface patch 2, and when urine absorbent pad was worn direction bending forwards, backwards, elastomeric element 27 shrank, and can erect by the inner surface from surface patch 2 as dotted line.(with reference to Fig. 5).

Fig. 3 dissects sectional drawing for expression along the part across the urine absorbent pad 1 of the III-III line of veutro contact area 6 among Fig. 1.Veutro contact area 6 to be made for anterior variation in rigidity zone 51 at the fore-and-aft direction of urine absorbent pad 1 and the flexural rigidity on the width be that the border sharply changes, in other words discontinuous variation, wherein, anterior variation in rigidity zone 51 is provided with along chain-dotted line D, is illustrated as the set of a plurality of points.In the veutro contact area 6 of illustrated example, the core 4 that is positioned at front, center portion 15 has thickness P, and the core 4 that is positioned at anterior alar part 16 has thickness Q, and thickness Q is at least 1.2 times the value of thickness P, comparatively ideal value is at least its value of 1.5 times, and then it is better to be at least its value of 2 times.By means of the difference of these thickness P and Q, each flexural rigidity that anterior alar part 16 is adjusted on its width and the fore-and-aft direction is at least the width of front, center portion 15 and 1.5 times of each flexural rigidity on the width.The difference of thickness P and Q is big more, and the inflexible difference of anterior alar part 16 and front, center portion 15 is just big more.Anterior variation in rigidity zone 51 is preferably in the scope of 3～10mm in width is the scope of 2～15mm, so that rigidity is that the border takes place sharply to change with it.In general, this width is more little, because of the difference of the movement of anterior alar part 16 of inflexible difference and front, center portion 15 remarkable more.But, because the quality that this width is difficult to manage core 4 less than the words of 2mm, so not good.The rigidity of anterior alar part 16 and front, center portion 15 can be by core 4 the difference of thickness adjust, also can adjust by the thickness of core 4 and the difference of density, the difference of density that can also be by core 4 is adjusted.In veutro contact area 6, surface patch 2 have with crotch portion contact area 8 in the identical width of width, the part that core 4 extends out from surface patch 2 is covered by the outer edge 23 and the pars intermedia between outer edge 23 and the inner edge portion 22 of leakproof band 21.

Fig. 4 dissects sectional drawing for expression along the part of the urine absorbent pad 1 of the IV-IV line of the cross-section dorsal part contact area 7 among Fig. 1.Being made for rear portion variation in rigidity zone 52 in the fore-and-aft direction of urine absorbent pad 1 and the rigidity on the width of dorsal part contact area 7 be that the border sharply changes, wherein, and variation in rigidity zone, rear portion 52 is illustrated as the set of a plurality of points along chain-dotted line D setting.In dorsal part contact area 7, rear portion central part 31 has thickness R, and rear portion alar part 32 has thickness S, and thickness S is at least 1.2 times the value of thickness R, be at least its 1.5 times comparatively desirable, it is better to be at least its value of 2 times.By means of the difference of these thickness R and S, each rigidity that rear portion alar part 32 is made on fore-and-aft direction and the width is at least the fore-and-aft direction of rear portion central part 31 and 1.5 times of each flexural rigidity on the width.The width in variation in rigidity zone, rear portion 52 is preferably in the scope of 3～10mm in the scope of 2～15mm.The difference of this thickness R, S be we can say identical with the situation of veutro contact area 6 with the width in inflexible difference and variation in rigidity zone 52.

The axonometric chart of the urine absorbent pad 1 when Fig. 5 is user mode.Urine absorbent pad 1 is positioned at the inboard of the medicated underpants of wearing 100 shown in the dotted line, itself and wearer's 101 veutro portion 102, drosal part 103,104 driving fits of crotch portion.Urine absorbent pad 1 is because of the contraction of the elastomeric element 27 (with reference to Fig. 1) following its bending of direction forwards, backwards and take place, and in the leakproof band 21 of crotch portion contact area 8, to be cardinal extremity with outer edge 23 erect from the inner surface of surface patch 2 inner edge portion 22 upward.This crotch portion contact area 8 is by wearer 101 two lower limbs, 106 clampings, narrowed width ground, for example the section of width is in the shape of the letter V or the W font is out of shape with narrowing down, and be formed on front and back and extend upward many pleats 107 in ground, several in this pleat 107 extend to the front, center portion 15 of veutro contact area 6 and the rear portion central part 31 of dorsal part contact area 7.But forwardly be formed with variation in

rigidity zone

51,52 respectively between central part 15 and the anterior alar part 16 and between rear portion central part 31 and the rear portion alar part 32, flexural rigidity forwardly in variation in rigidity zone 51 and the variation in rigidity zone, rear portion 52 sharply, in other words discontinuous variation, therefore, front, center portion 15 and the distortion of rear portion central part 31 ground can not transmitted to anterior alar part 16 and rear portion alar part 32, are difficult in other words transmit.The result who does like this is, even urine absorbent pad 1 is under the state that wears, anterior alar part 16 and rear portion alar part 32 also can maintain as shown in Figure 1 to the unfolded widely state in side, not only cross over the relative broad range driving fit in veutro portion 102 and drosal part 103, and with the approaching anterior alar part 16 in the side edge part flap 11 of centrage C-C bending in crotch portion contact area 8 and the part 41,42 (with reference to Fig. 1) of rear portion alar part 32, the root with shank 106 surrounds the ground driving fit around this root respectively.The anterior alar part 16 and the rear portion alar part 32 of such urine absorbent pad 1 play a part stop component, and it can suppress urine absorbent pad 1 and move with respect to wearer 101 the dislocation of health on the fore-and-aft direction of representing with arrow X, Y.In addition, when wearing urine absorbent pad 1 repeatedly, position 41,42 makes urine absorbent pad 1 body contact by the root that is positioned at shank 106, can make urine absorbent pad 1 contact wearer's health on suitable position all the time.

In this invention, the flexural rigidity of the core 4 in the urine absorbent pad 1 uses the Taber Stiffness Tester that advances Co., Ltd. (day is advanced (strain)) manufacturing day to measure according to JIS P8125.Inflexible mensuration is used the test piece of 38.1 * 70mm size.Inflexible value, measure inflexible desired area with regard to desire, ask the meansigma methods of the length direction that makes test piece and consistent at least 3 test pieces of width (waistline direction) of urine absorbent pad 1 and make the length direction of test piece and the meansigma methods of at least 3 test pieces of fore-and-aft direction unanimity of urine absorbent pad 1.When specimen size is measured the size of inflexible desired area above desire, can make the test piece that equates with this position respectively with urine absorbent pad 1 and measure rigidity.Use micrometer, test piece is applied 5g/cm ²Face press to measure the thickness of test piece.Inflexible unit is Ncm.The surface patch 2 of urine absorbent pad 1 can use non-woven fabrics or woven, the apertured plastic films etc. of liquid permeability.Bottom sheet 3 can be used composite sheet that the non-woven fabrics in the outside lamination aeration of the plastic sheeting of opaque liquid forms etc. except the plastic sheeting or non-woven fabrics of opaque liquid.Core 4 can use the mixture of comminution pulp and super absorbent polymer particles or thermoplastic synthetic fiber except comminution pulp.These comminution pulps and mixture can be with liquid permeabilities such as thin papers, preferably liquid permeability and liquid diffusibility sheet cover and use.Prevent that in order to strengthen urine absorbent pad 1 from misplacing with respect to wearer 101 health, can on the outer surface of the bottom sheet 3 of urine absorbent pad 1, be provided with respect to the anti-skidding mechanism of the inner surface of the medicated underpants 100 of urine absorbent pad 1 and usefulness, diaper, cover of diaper, for example bonded areas.

Fig. 6 is the figure identical with Fig. 1 of one of expression example example.The veutro contact area 6 of this urine absorbent pad 1 and the formation similarly of Fig. 1, and have front, center portion 15 and a pair of anterior alar part 16, dorsal part contact area 7 forms with the width A of crotch portion contact area 8 roughly the samely, have the position suitable with rear portion central part 31, but unsuitable with rear portion alar part 32 position.This urine absorbent pad 1 can be suppressed the dislocation of the arrow Y direction in Fig. 5 by anterior alar part 16 when wearing.And, the urine absorbent pad 1 of this invention not only can be made the shape of Fig. 6, the width that also can make veutro contact area 6 and crotch portion contact area 8 forms basic identically, and dorsal part contact area 7 has rear portion central part 31, rear portion alar part 32 and variation in rigidity zone, rear portion 52.So make, can make rear portion alar part 32, suppress the dislocation of the X of direction forward of urine absorbent pad 1 from rear contact shank 106.

Fig. 7 is the figure identical with Fig. 3 of one of expression example example.In this urine absorbent pad 1, the anterior variation in rigidity zone 51 in veutro contact area 6 is formed at the interior side of chain-dotted line D.Though different according to the size of urine absorbent pad 1 apart from size M between chain-dotted line D and the anterior variation in rigidity zone 51 is preferably in the 30mm.By such design, can obtain the bigger anterior alar part 16 of width.Anterior variation in rigidity zone 51 also can be formed at respect to a side of the position opposite of chain-dotted line D and illustrated example, promptly be formed at chain-dotted line D foreign side.

Fig. 8 is the figure identical with Fig. 3 of one of expression example example.In this urine absorbent pad 1, though anterior variation in rigidity zone 51 is formed near the chain-dotted line D, but forwardly the thickness P of the core 4 at the interior side's in variation in rigidity zone 51 front, center portion 15 places is at least 1.2 times of thickness Q of anterior alar part 16 place's cores 4 of the foreign side in anterior variation in rigidity zone 51, be at least 1.5 times of comparatively ideals, be at least 2 times for better, because such difference in thickness, perhaps because such difference in thickness density variation in addition, it is the fore-and-aft direction of anterior alar part 16 and inflexible at least 1.5 times of width that the fore-and-aft direction of front, center portion 15 and the rigidity of width are adjusted to.Urine absorbent pad 1 is when wearing, even the distortion at high front, center portion 15 places of rigidity is forwardly transmitted to anterior alar part 16 near the variation in rigidity zone 51, its distortion can not expanded in the low anterior alar part 16 of rigidity on a large scale yet.Anterior alar part 16 like this cross over wearers 101 the root of shank 106 and veutro portion 102 in a big way with its driving fit, can suppress the dislocation towards arrow Y direction (with reference to Fig. 5) of urine absorbent pad 1.In one example of the urine absorbent pad 1 in this example, the fore-and-aft direction of front, center portion 15 and the values of stiffness of width are 0.021～0.022Ncm, the fore-and-aft direction of anterior alar part 16 and the values of stiffness of width are 0.0045～0.0049Ncm, and the values of stiffness of front, center portion 15 is 4～5 times of values of stiffness of anterior alar part 16.

Fig. 9 also is the figure identical with Fig. 3 of one of expression example example.The anterior variation in rigidity zone 51 of this urine absorbent pad 1 is near chain-dotted line D.The core 4 forwardly both sides in variation in rigidity zone 51 has homogeneous thickness basically, but forwardly the integral body basically of the core 4 in the anterior alar part 16 of variation in rigidity zone 51 foreign sides is to high-density and is compressed, its density is than the density height of the core 4 in interior side's the front, center portion 15, whereby the fore-and-aft direction of anterior alar part 16 and the rigidity on the width are adjusted to the fore-and-aft direction that all is higher than front, center portion 15 and the rigidity on the width, are preferably high at least 1.5 times.Anterior alar part 16 so also plays a part same with the anterior alar part 16 of Fig. 3.

Figure 10 is the figure identical with Fig. 9 of one of expression example example.In the veutro contact area 6 of this urine absorbent pad 1, be formed with make the high anterior alar part 16 of low density front, center portion 15 and density on width isolating groove as anterior variation in rigidity zone 51.The anterior variation in rigidity zone 51 that becomes groove is compared with the anterior variation in rigidity zone 51 of Fig. 9, can further suppress the distortion of front, center portion 15 effectively and transmit to anterior alar part 16.Core 4 straticulations are present in the bottom of the groove of illustrated example.The thickness of this thin layer preferably be no more than front, center portion 15 and anterior alar part 16 thickness 1/2, be preferably and be no more than 1/3.The thickness of thin layer surpasses 1/2 o'clock of thickness of anterior alar part 16, and anterior variation in rigidity zone 51 is as the effect deficiency of groove.In addition, in the present invention, also can adopt the bottom of groove not contain the anterior variation in rigidity zone 51 of core 4.In so anterior variation in rigidity zone 51, preferably with bottom sheet 3 joints front, center portion 15 is separated by bonding or deposited surface patch 2 reliably with anterior alar part 16 earlier.

In Fig. 6～Figure 10, be the example that object carries out, also can be applicable to dorsal part contact area 7, and can replace veutro contact area 6 and be only applicable to dorsal part contact area 7 with veutro contact area 6.But, in the present invention, in veutro contact area 6 and dorsal part contact area 7, when the variation in rigidity zone was set in veutro contact area 6 at least, the effect of invention was more remarkable.With urine absorbent pad 1 is that the liquid handling articles for use of the present invention that example illustrates also can be used as disposable diaper or physiology pad use.

Be formed with central part and alar part in the contact area of veutro at least of urine absorbent pad of the present invention in veutro contact area and tested contact area, and be formed with the variation in rigidity zone of extending along fore-and-aft direction, the distortion of the central part that urine absorbent pad produces when wearing is difficult to arrive alar part, therefore, its alar part can launch widely and with the root and the driving fit of veutro portion of wearer's shank, thereby suppress the dislocation of urine absorbent pad with respect to health.Such urine absorbent pad not only needn't be selected special and diaper and medicated underpants this pad and usefulness, even when using binding agent on existing urine absorbent pad and bonding agent can not re-use, also can suppress the dislocation of urine absorbent pad with respect to health because of staining of its surface.

Claims

1. disposable humoral is handled articles for use, comprise liquid permeability top sheet, opaque liquid bottom sheet and the body liquid absorptive core between these two, the width that has fore-and-aft direction and intersect with this fore-and-aft direction, be formed with the veutro contact area in the place ahead of above-mentioned fore-and-aft direction, be formed with the dorsal part contact area at the rear of above-mentioned fore-and-aft direction, between this two contact area, be formed with crotch portion contact area, it is characterized by

The width of the above-mentioned crotch of the ratio portion contact area that the width of above-mentioned veutro contact area forms is wide, so that the both sides of above-mentioned veutro contact area form a pair of alar part, contain above-mentioned core in each of a pair of above-mentioned alar part and the central part that is positioned between a pair of above-mentioned alar part, and comprise the variation in rigidity zone respectively in both sides with the binary centrage of width of above-mentioned throw-away body fluid treating article, this variation in rigidity zone is parallel with above-mentioned centrage, extend along above-mentioned fore-and-aft direction, and the size that on above-mentioned width, has 2～15mm, the above-mentioned fore-and-aft direction of above-mentioned veutro contact area and the flexural rigidity on the above-mentioned width, sharply changing between the part of above-mentioned width foreign side from the part of above-mentioned region of variation side in above-mentioned width and from above-mentioned region of variation, when being benchmark with the rigidity of the arbitrary part in above-mentioned two parts, the rigidity of another part has its value of 1.5 times at least.

2. the throw-away body fluid treating article of putting down in writing as claim 1, it is characterized by, above-mentioned inside side's part is that the border comprises at least one side above-mentioned core inequality in thickness and the density with above-mentioned part to foreign side with above-mentioned variation in rigidity zone, and above-mentioned thus rigidity takes place sharply to change.

3. as claim 1 or 2 throw-away body fluid treating articles of being put down in writing, it is characterized by, above-mentioned region of variation is to make above-mentioned two parts isolating groove on above-mentioned width.

4. as claim 1 or 2 throw-away body fluid treating articles of being put down in writing, it is characterized by, in above-mentioned dorsal part contact area, also be formed with above-mentioned variation in rigidity zone.

5. as claim 1 or 2 throw-away body fluid treating articles of being put down in writing, it is characterized by, the rigidity of part of side is at least to the part of above-mentioned width foreign side inflexible 1.5 times in above-mentioned width.