RU9391U1 - PLASTER MACHINE - Google Patents

Description

PLASTIC SHISH

(utility model)

A useful node relates to the field of medicine, namely to devices for producing adhesives, which can be used as a dosage form for external use.

Adhesive patches are one of the oldest dosage forms with the ability to adhere to the skin. The scope of their application is significant. They can be used:

in order to protect any part of the body from harmful effects;

-for closing skin defects;

-for fixing dressings on the skin surface; (epidermal patches).

-in various medicinal substances can be introduced into the plaster masses for the whole therapeutic effect on the diseased skin (Szndermaticheskie patches);

- plasters with medicinal substances that penetrate the skin and have an effect on the underlying tissues are called diathermic,

-plasters with medicinal substances that penetrate the skin into the systemic circulation, called transdermal therapeutic systems.

The manufacture of adhesives includes the operations of applying a viscous and sticky adhesive mass to a fabric or substrate film and drying. These operations are carried out using plastering machines or frap 01 F 13/02 with dingmine. A shredding machine is known in the art for applying a plaster mass to a fabric base (NZhMuravyev Drug Technology, ed. / Medicine, M. ,, p. 651-652), It consists of two VALYCOB (roll holders) for fixing the fabric base, moving shafts (tape-pulling mechanisms), guide rods, plaster dispenser, knife that sets the gap for applying an even layer to the tape (doctor blade), fabric base drying unit, cooling unit. The patch obtained on such a machine is wound into rolls using an unwinding machine. Next, the rolls are cut into coils of certain sizes. For ease of use, many plasters and especially transdermal therapeutic systems from the side of the adhesive layer are covered with a protective film or paper, cut into forms with a clearly defined area and packaged in moisture and lightproof bags. Existing yapredding mothers carry out only the operations of applying the plaster on the substrate, its bags and, in some cases, coating with a protective film or paper. For subsequent cutting into finished forms (in the form of coils or strips), additional special technological equipment is used. Closest to the claimed is a patch mother for applying mustard mass C I.A., Muravyov Technology of medicines, ed., Medicine, M., 1971, since 635). The machine contains two roll holders for a paper base, guiding rods, a plaster dispenser, a knife, a setting gap for applying an even layer to the paper tape (doctor blade), the bag chamber and the tape-pulling mechanism.

This machine, as well as a shredding machine, performs essentially only the operation of applying the mass to the base and drying it, resulting in a semi-finished product that requires further refinement using special additional machines (lnstoreznaya machine, etc.),

The objective of the utility model is to develop a machine design that would make it possible to obtain not a semi-finished product, but a finished product at once by combining operations without the use of additional machines.

The problem is solved by the proposed design of the patch mother, which contains the roll holder of the substrate - films w and fabrics. Guide rods, the dispenser of the plaster mass, squeegee knife, the camera bags of the substrate, the roll holder of the protective film, the mechanism for cutting the protective film, the pressure roller, the longitudinal cutting mechanism, tape cross cutting mechanism and mechanism.

The essence of the proposed design of the patch of my mother’s is illustrated in the figure, which adopted the following notation (figL):

1- backing roll holder

2- guide rods

3- plaster dispenser

4- doctor blade

5- bag camera

G - roll holder of a protective film or paper 7 - mechanism for cutting a protective film

Oh pressing potassium

9 - mechanism for the longitudinal cutting of the laminate into strips

10 tape mechanism

11 - the mechanism of transverse cutting into finished forms A comparison of the proposed design of the adhesive machine with the prototype showed that although they have a number of identical units, the claimed design additionally contains a roll holder of a protective film, a mechanism for cutting the protective film, a pressure roller, and mechanisms for longitudinal and transverse cutting of the laminate, those. this technical solution meets the criterion of novelty1

The plaster machine is unknown in technology, which would combine the operations of applying the plaster mass, drying it, applying a protective film (lamination), cutting the laminate onto the finished molds, and it was this kind of execution of my mother's that made it possible to obtain the plastnr not as a semi-finished product, but as a finished one products, which, in the FAIL queue, allowed to abandon additional special technological equipment (cutting machines, etc.). t, e, solve the problem.

The machine operates as follows

The roll with the substrate (paper, film) is fixed on the roll holder (1), the edge of the substrate through the guide rods (2) is pulled under the plaster mass dispenser (3), the doctor blade (4), through the drying chamber (5), the pressure rolls C8), a longitudinal cutting mechanism (9), a tape-pulling mechanism (10) and a transverse cutting mechanism (11), after which the tape-drive mechanism engine is switched on, and the substrate passing under the dispenser

(3), put on top a layer of a plaster mass, the thickness of which is regulated by a doctor blade (4), Having entered a sousavoy chamber, the substrate with a sticky mass applied to it is heated from below with heating plates, and from above it is blown with hot air. The mixture of air and solvent formed in the chamber is sucked off by a fan to iron the solvent vapor catch or the atmosphere is emitted at low solvent concentrations. Ethanol is most often used as a solvent. After exiting the euvil chamber, a protective film is applied to the dried substrate with a sticky mass from the roll holder (6), passing it previously through the notch mechanism () and the pressure roller (8). Further, the substrate tape coated with a protective film passes the longitudinal cutting mechanism (9), the tape drive mechanism (10) and the transverse cutting mechanism (11),

The finished product is a rectangular multilayer strip with predetermined dimensions.

The proposed design will not cause difficulties in its implementation, t, to, the components and elements included in it are manufactured by industry. The need for a compact machine design, combining several operations, and allowing you to get the finished product without the use of additional machines, is not in doubt.

Thus, the proposal has industrial applicability®,

Currently, this patch patch is undergoing pilot testing with the release of the transdermal therapeutic system Nitroperkuten containing nitroglycerin as a medicinal product. The size of the finished forms is 5x cm. The productivity of the machines is 1300 forms per hour. The quality of the products meets the requirements of RZh 42-2676-96,

General Director of the Federal Science of Production

.Stark

Claims (1)

A plastering machine comprising a roll holder of a substrate, guide rods, a plaster dispenser, a doctor blade, a drying chamber, a tape-pulling mechanism, characterized in that it further comprises a roll-holder of a protective film, a protective film cutting mechanism, a pressure roller, a longitudinal cutting mechanism and a transverse cutting mechanism.