1. A paper comprising:
a paper body containing pulp fibers;
a low electric-resistance region provided in a layer inside the paper body and being lower than the paper body in electric resistivity, the low electric-resistance region comprising a film layer having a plurality of conductive material elements dispersed within the film layer; and
magnetic bodies arranged inside the film layer of the low electric-resistance region and having a large Barkhausen effect, the magnetic bodies being separately dispersed from the conductive material elements within the film layer.
2. The paper according to claim 1, comprising:
a first paper layer containing pulp fibers; and
a second paper layer containing pulp fibers,
wherein the low electric-resistance region is provided so as to be interposed between the first paper layer and the second paper layer and is constituted by a conductive layer containing a conductive material.
3. The paper according to claim 1,
wherein the low electric-resistance region is constituted by a region where a conductive material is dispersed inside the paper body.
4. A paper production method comprising:
sheeting pulp fibers to prepare a first paper layer and a second paper layer;
forming low electric-resistance film layer containing a plurality of dispersed conductive material elements on a first surface of at least one of the first paper layer and the second paper layer;
arranging magnetic bodies having a large Barkhausen effect on the surface on which the conductive layer is formed or on a second surface on which the conductive layer is not formed, among surfaces of the first paper layer and the second paper layer; and
pasting together the first paper layer and the second paper layer so that the conductive layer and the magnetic bodies are interposed between paper bodies, the magnetic bodies being separately dispersed from the conductive material elements within the low electric-resistance film layer.
5. The paper production method according to claim 4,
wherein when the pasting is performed, the processing of compressing the first paper layer and the second paper layer in a thickness direction is performed, and the insides of the first paper layer and the second paper layer are impregnated with components of the conductive layer.
6. A paper production method comprising:
sheeting pulp fibers to prepare a first base paper and a second base paper in a wet state;
forming a low electric-resistance film layer containing a plurality of dispersed conductive material elements on a first surface of at least one of the first base paper and the second base paper in a wet state;
arranging magnetic bodies having a large Barkhausen effect on the first surface on which the conductive layer is formed or on a second surface on which the conductive layer is not formed, among surfaces of the first base paper and the second base paper in a wet state;
pasting together the first base paper and the second base paper in a wet state so that the conductive layer and the magnetic bodies are interposed between paper bodies, the magnetic bodies being separately dispersed from the conductive material elements within the low electric-resistance film layer;
drying the pasted first base paper and second base paper in a wet state.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A water treatment apparatus comprising:
a base;
a frame fixed on top of the base;
a plurality of filter cartridges joined to the frame;
a cover disposed on the base to encase the frame and the filter cartridges therein and defining an opening in a top thereof; and
a handle mounted on top of frame and exposed in the opening of the cover.
2. The water treatment apparatus of claim 1 further comprising a connection assembly which is mounted on the frame and connects the filter cartridges in order to have the filter cartridges be swingable with respect to the frame.
3. The water treatment apparatus of claim 2, wherein the connection assembly includes a plurality of seat rings, a plurality of manifolds and a plurality of communicating pipes; the seat rings are mounted on the frame and spaced at a distance from one another; each of the manifolds has inlet and outlet ports rotatably received in the two adjacent seat rings; each of the communicating pipes communicates the adjacent inlet and outlet ports of the two adjacent manifolds.
4. The water treatment apparatus of claim 3, wherein the base is formed with a plurality of rotation-proof members thereon to be engaged with bottoms of the filter cartridges so that when the filter cartridges are seated in the rotation-proof members, the filter cartridges are restrained from rotation.
5. The water treatment apparatus of claim 1, wherein the base is formed with a plurality of rotation-proof members thereon to be engaged with bottoms of the filter cartridges so that when the filter cartridges are seated in the rotation-proof members, the filter cartridges are restrained from rotation.
6. The water treatment apparatus of claim 5, wherein each of the rotation-proof members has a straight depression defined therein while each of the filter cartridges is formed with a straight protrusion thereon corresponding to the straight depression of the rotation-proof member.
7. The water treatment apparatus of claim 6, wherein the rotation-proof member is formed with a bump within the straight depression and the filter cartridge is formed with another straight protrusion spaced at a distance from the other straight protrusion so that when the filter cartridge is seated in the rotation-proof member, the bump of the rotation-proof member is confined in between the two straight protrusions of the filter cartridge.