Disposable warmer and bag member for the same

2:

• A disposable warmer according to claim 1, further comprising a heater-free portion in at least the one region between the adjacent portions with the heaters sealed therein, the heater-free portion being not heat-sealed and including no heater,
• wherein a slit is arranged, of the bag members (A) and (B) in at least the porous film constituting the bag member (A) at the heater-free portion.

3:

• A disposable warmer according to claim 2, wherein, of the bag members (A) and (B), a slit is arranged only in the porous film constituting the bag member (A).

4:

• A disposable warmer according to claim 2, wherein, of the bag members (A) and (B), a slit is arranged only in the bag member (A) so as to pierce the bag member (A) in a thickness direction thereof.

5:

• A disposable warmer according to claim 1, wherein a slit is arranged in the heat-sealed portion so as to pierce the bag member (A) and the bag member (B) in a thickness direction thereof.

6:

• A disposable warmer according to claim 2, wherein a slit is arranged in the heater-free portion so as to pierce the bag member (A) and the bag member (B) in a thickness direction thereof.

7:

• A disposable warmer according to claim 1, wherein the stretchable film of the bag member (B) is comprised of a thermoplastic elastomer.

8:

• A disposable warmer according to claim 1, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.

9:

• A bag member for a disposable warmer, comprising at least a layered structure with a porous film and a nonwoven fabric layer composed of an elastic nonwoven fabric,
• wherein a slit is arranged only in the porous film.

10:

• A disposable warmer according to claim 2, wherein the stretchable film of the bag member (B) is comprised of a thermoplastic elastomer.

11:

• A disposable warmer according to claim 3, wherein the stretchable film of the bag member (B) is comprised of a thermoplastic elastomer.

12:

• A disposable warmer according to claim 4, wherein the stretchable film of the bag member (B) is comprised of a thermoplastic elastomer.

13:

• A disposable warmer according to claim 5, wherein the stretchable film of the bag member (B) is comprised of a thermoplastic elastomer.

14:

• A disposable warmer according to claim 6, wherein the stretchable film of the bag member (B) is comprised of a thermoplastic elastomer.

15:

• A disposable warmer according to claim 2, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.

16:

• A disposable warmer according to claim 3, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.

17:

• A disposable warmer according to claim 4, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.

18:

• A disposable warmer according to claim 5, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.

19:

• A disposable warmer according to claim 6, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.

20:

• A disposable warmer according to claim 7, wherein the nonwoven fabric layers of the bag member (A) and bag member (B) each are independently comprised of a spunlace nonwoven fabric.