JPS5846997Y2 - Paper extrusion tube - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an extruded tube mainly made of paper material.

Currently, extruded tubes are made of metal or plastic, but in the case of metal, the material is tin, lead,
Since aluminum and the like are used, resources are limited, and as a result, the cost of materials is becoming increasingly expensive.

Moreover, when the container is made of plastic, its elasticity prevents the contents from being completely extruded, making it inconvenient to use.

Furthermore, these materials have the disadvantage that there is a concern that they may have a negative impact on environmental hygiene and pollution when disposing of used tubes.

- In the case of conventional extruded tubes mainly made of materials made of ancient paper, not only is the means of attaching the tube body and outlet member extremely complicated, but the attachment is also extremely incomplete, and There was a risk that the main body and the outlet member would separate.

The present invention was devised for the purpose of eliminating these drawbacks, and consists mainly of a paper material, with metal foil polymerized on either the inner or outer surfaces of the paper material to form a tube body, and further, the tube body is The outlet member is inserted through the inner surface of the small diameter opening of the tube, and the locking part whose lower end is expanded outward is fixed to the inner surface of the shoulder of the tube body, and the disc-shaped ring body is fitted into the cylindrical part of the outlet member. The gist of the present invention is an extruded paper tube in which the ring body is fixed to the outer surface of the shoulder of the tube body.

Next, one embodiment of the extruded paper tube of the present invention will be described in detail based on the drawings.A strip-shaped extruded tube is formed on the outer surface of the main body 1 made of a paper material made of a cylindrical paper material formed by spirally winding a strip of paper. The metal foil 2 is spirally wound and polymerized with an adhesive 3 interposed therebetween to form a tube body 4.

The upper end portion of the tube body 4 forms an inward constricted small-diameter opening 5, and the outlet member 7 is inserted through the inner surface of the small-diameter opening 5.

The outlet member 7 is made of paper or a synthetic resin material, and has a cylindrical portion 9 formed with a screw 8 on the outer surface into which the cap 12 can be screwed.
and a locking part 10 whose lower end is expanded outward,
After the outlet member 7 is inserted from the inner surface of the small-diameter opening 5 as described above, the locking portion 10 is fixed to the inner surface of the shoulder portion 6 of the tube body 4 by heat fusion or adhesive 3, and is further made of paper or synthetic resin material. A disk-shaped ring body 11 is fitted into the cylindrical portion 9 of the outlet member 7 and fixed to the outer surface of the shoulder portion 6 of the tube body 4 by heat sealing or adhesive 3.

Although not shown in the drawings, instead of the above embodiment, the main body 1 made of paper material may be arranged on the outer surface, and the metal foil 2 may be polymerized on the inner surface, or the main body 1 made of paper material It is also possible to polymerize the metal foil in a sandwich-like manner around the inside and outside surfaces of the metal foil.

Furthermore, if necessary, the inner or outer surfaces of the tube body 4 may be coated with a synthetic resin.

As described above, in this invention, the main body of the tube is made of paper, so it is possible to reduce the material cost, and it also prevents the tube from being mixed with other materials during manufacturing or transportation, as previously seen with metal tubes. There is no uneven plastic deformation due to collisions or external pressure during handling, and there is no concern about the adhesion of dirt such as metal scraps during tube processing.Furthermore, it is non-polluting, so it can be used even after used tubes. You won't have to worry about processing it.

Also, compared to plastic tubes, when the tube body is pushed out during use, the contents do not remain inside the tube and can be completely used.

In addition, since the tube body of the present invention is made by polymerizing metal foil onto a paper material, it is not only extremely strong, but also can be manufactured in a continuous manner by winding it in a spiral shape. Further, in the present invention, the locking part 10 of the outlet member 7 is fixed to the inner surface of the shoulder part 6 of the tube body 4, and the disc-shaped ring body 11 is inserted into the shoulder part 6 from above. Since it is fixed to the outer surface, there is no risk that the tube body 4 and the outlet member 7 will separate, and since the shoulder part of the tube body 4 is sandwiched between the locking part 10 and the ring body 11, the shoulder part 6 has excellent effects such as not being damaged by external pressure or the like.

[Brief explanation of the drawing]

The drawing shows a partially omitted sectional view of an extruded tube according to the present invention. 1...Main body, 2...Metal foil, 3...
...Adhesive, 4...Tube body, 5...
...Small diameter opening, 6...Shoulder part, 7...Outlet member, 9...Cylindrical part, 10...Locking part, 11... ...Ring body.

Claims (1)

[Scope of utility model registration request] A tube body is formed by polymerizing metal foil on the inner and outer surfaces or either of the inner and outer surfaces of the tube, which is mainly made of paper material, and an outlet member is inserted through the inner surface of the small-diameter opening of the tube body so that the lower end is directed outward. The expanded locking part is fixed to the inner surface of the shoulder of the tube body, and a disc-shaped ring body is fitted into the cylindrical part of the outlet member, and the ring body is fixed to the outer surface of the shoulder of the tube body. Extruded paper tube.