RU2246890C1 - Toilet paper - Google Patents

Abstract

FIELD: production of paper, articles, such as toilet paper.

SUBSTANCE: toilet paper is made in the form of rolled paper web. At least part of paper web is composed of two layers. Web is free from through openings and is made with periodically changing lengthwise size of longitudinal section arranged at right angle with respect to one of two larger surfaces of paper web. At least two web layers have different thickness, with ratio of minimal layer thickness to maximal layer thickness ranging between 0.1 to 0.9999. Toilet paper has increased bacteriological resistance.

EFFECT: reduced production costs and improved quality of paper.

4 cl, 2 dwg

Description

The invention relates to the pulp and paper industry and, in particular, to the field of production of hygienic paper products, namely toilet paper.

State of the art

Known toilet sanitary paper made in the form of a roll (Abstract of utility model No. 29224, published 2003.05.10).

The set of signs "toilet ... paper" analogue coincides with part of the signs of the claimed invention.

The disadvantage of the analogue is the complexity of manufacturing toilet paper.

The prototype of the invention is toilet paper made in the form of a paper web rolled up, and part of the paper web of toilet paper is made of at least two layers and contains two surfaces, namely the front and the back. The layers are perforated and latex is placed between them (US patent No. 2155441, published in 1939).

The set of features “Toilet paper made in the form of a paper sheet, rolled up into a roll, and part of the paper sheet of toilet paper is made of at least two layers” of the prototype coincides with part of the features of the claimed invention. The disadvantage of the prototype is the complexity of the manufacture of toilet paper and the increased effort of tearing part of the canvas from the roll during use as intended.

Disclosure of invention

The objective of the invention is to reduce the cost of creating bacteriologically resistant toilet paper.

Toilet paper is designed to provide practical measures to preserve human health, in particular for hygienic cleaning of the excretion products of the human body.

поверхностей бумажного полотна; и, по меньшей мере, два слоя полотна выполнены с различной толщиной, причем отношение минимальной толщины слоя к максимальной толщине слоя составляет величину из диапазона значений от 0.1 до 0.9999; и, по меньшей мере, два слоя полотна выполнены при формировании рулона туалетной бумаги.The objective of the invention is solved in that the toilet paper is made in the form of a paper sheet rolled up into a roll, and a part of the paper sheet of the toilet paper is made of at least two layers, and the toilet paper sheet is made without through holes with a transverse longitudinal dimension periodically varying along the sheet along the sheet. section located along the canvas at an angle of 90 ° to one of two

paper web surfaces; and at least two layers of the canvas are made with different thicknesses, and the ratio of the minimum layer thickness to the maximum layer thickness is a value from a range of values from 0.1 to 0.9999; and at least two layers of the canvas are made when forming a roll of toilet paper.

поверхностей бумажного полотна; и, по меньшей мере, два слоя полотна выполнены с различной толщиной, причем отношение минимальной толщины слоя к максимальной толщине слоя составляет величину из диапазона значений от 0.1 до 0.9999; и, по меньшей мере, два слоя полотна выполнены при формировании рулона туалетной бумаги”.Signs that distinguish the invention from the prototype: “the toilet paper sheet is made without through holes with a transverse longitudinal section periodically changing along the sheet, located along the sheet at an angle of 90 ° to one of two

paper web surfaces; and at least two layers of the canvas are made with different thicknesses, and the ratio of the minimum layer thickness to the maximum layer thickness is a value from a range of values from 0.1 to 0.9999; and at least two layers of the canvas are made when forming a roll of toilet paper. "

Technical results are:

A. Simplification of the manufacture of a multilayer paper web with a reduced effort to tear off part of the web from the roll without using through-hole perforation of the web.

Simplification is achieved by choosing the rational characteristics of the layers of the canvas. One of the layers is a carrier, and the second layer is applied to the carrier, and not throughout the canvas, but only on part of the canvas. In those places where the canvas has two layers, the tensile forces are greater than where the canvas is in one layer.

Another embodiment of the invention may be the case when more than two layers are applied to the web. For example, two layers of the canvas are the carriers, and the third layer is applied only to part of the canvas.

Reducing the separation force is achieved by performing a multilayer sheet with a variable transverse size along the length of the sheet in the process of forming a toilet paper roll. The implementation of toilet paper according to the claimed invention will allow you to create cross sections along the length of the canvas with reduced tensile forces (weakened cross sections) compared to other cross sections of the canvas without using perforation of the canvas. It is along these sections that the separation of the required quantities of pieces of toilet paper will take place.

B. Ensuring bacteriological resistance of the paper web due to the multilayered web and the absence of through perforation.

The toilet paper can be made in length (with a longitudinal size) from 10 m to 100 m. This will expand the ability to produce paper and reduce its cost.

The toilet paper can be made with a maximum transverse size from 0.05 m to 0.2 m. Moreover, the length of the canvas is made with a variable transverse size. This will significantly expand the ability to produce paper and reduce its cost.

The toilet paper can be made with periodically changing transverse size. This will expand the possibilities for using paper.

At least two layers of the canvas are made with different thicknesses, and the ratio of the minimum layer thickness to the maximum layer thickness is from a range of values from 0.1 to 0.9999. This will expand the possibilities for paper production, will allow you to create paper with different efforts when the canvas is torn.

The toilet paper can be made with a periodically changing transverse dimension of a longitudinal section. This will expand paper manufacturing capabilities.

поверхностей бумажного полотна.The longitudinal section of the paper web is located along the web at an angle of 90 ° to one of the two

surfaces of the paper web.

The toilet tissue has two large surfaces: the front and the back, as well as the side edges. The lateral edges in area are less than 1% of the area of each of the surfaces (front and back).

Brief Description of the Drawings

Figure 1 shows a two-layer sheet of toilet paper in expanded form. Figure 2 shows a sheet of toilet paper in expanded form, and part of the canvas is multilayer.

The implementation of the invention

The paper web of toilet paper 1 is multilayer, namely, two-layer with a variable transverse size along the length of the canvas in the following ways:

a) manually, by sticking one layer of paper on another, folding it into a roll and then cutting the roll into pieces - toilet paper rolls;

b) at a paper mill when forming a roll of toilet paper and then cutting it into rolls of toilet paper.

Figure 1 shows a two-layer (layer 1 and layer 2) toilet paper sheet.

The canvas in a longitudinal section along the length is made with a variable transverse size (see figure 2), and is also made with a variable transverse size along the length of the canvas. Moreover, these sizes will change periodically. Areas of the web 4 and 5 will have the lowest tensile strength. It is in these areas that the separation of the necessary piece of toilet paper will be carried out.

The part of the canvas, consisting of two layers in two-layer sections (upper layers - 3, 6 and 7 and the lower layer - 2), will have the greatest tensile strength.

It is advisable to carry out a toilet paper sheet for a wide range of consumers with a length of 60 m, as well as with a maximum transverse size of 0.12 m.

Two layers of the canvas (layer 2 and layer 3) are made with different thicknesses, and the ratio of the minimum layer thickness to the maximum layer thickness should be 0.5.

Simplification of production is also achieved by rational selection of the geometric parameters of the canvas, namely the establishment of the ranges: the ratio of the minimum transverse size to the maximum transverse size (from 0.1 to 0.9999); maximum transverse web size (0.05 m to 0.2 m). Going beyond these ranges (as production practice shows), in the manufacture of toilet paper, can lead to a significant increase in the cost of equipment for the manufacture of toilet paper.

Claims (4)

1. Toilet paper made in the form of a paper sheet rolled up into a roll, and part of the paper sheet of toilet paper is made of at least two layers, characterized in that the toilet paper sheet is made without through holes with a transverse longitudinal dimension periodically changing along the sheet section located along the canvas at an angle of 90 ° to one of two

surfaces of the paper web, and at least two layers of the web are made with different thicknesses, and the ratio of the minimum layer thickness to the maximum layer thickness is from a range of values from 0.1 to 0.9999. 2. Toilet paper according to claim 1, characterized in that the canvas is made in a length of 10 to 100 m. 3. Toilet paper according to claim 1, characterized in that the canvas is made with a maximum transverse size from 0.05 to 0.2 m 4. Toilet paper according to claim 1, characterized in that the canvas is made by multilayer by sticking one layer of paper to another when forming a toilet paper roll.

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