JPH0726893B2 - Coating pan with sampling device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a coating pan with a sampling device, which generally takes out granules (hereinafter referred to as tablets) such as tablets from a coating pan.

(Prior Art and Problems to be Solved by the Invention) In the pan coating manufacturing process, sampling is performed for testing or confirmation of the weight, appearance, etc. of the tablet as needed. At that time, the lid of the coating pan is opened and the tablets in the pan are taken out at each sampling. However, in this method, by opening the lid of the coating pan, the tablet contacts the outside air in an instant, the atmosphere inside the controlled coating pan changes, and the inside of the coating pan is contaminated by dust in the air. Conceivable. Further, in particular, for a closed coating pan, a sampling method in which the lid of the coating pan is not opened in order to maintain a closed state is desired.

(Means for Solving Problems) The present inventors have noticed that the coating pan always rotates in the same direction in the coating step,
A cylindrical object (hereinafter referred to as a pipe) is attached to the outside of the tangent line of the coating pan so as to form an acute angle with respect to the tangent direction of the pan, and the coating pan is reversed only when sampling. The above-mentioned problems were solved by rotating the pipe to eject the tablets from the attached pipe.

That is, according to the present invention, a pipe having an appropriate inner diameter and length is inserted into the hole formed in the inclined body portion of the coating pan, and it is attached at an angle that does not scoop the tablet in the rotation direction during the coating process, and the coating is performed during sampling. By rotating the coating pan in the direction opposite to that in the process, a coating pan with a sampling device is provided, which can scoop an appropriate number of tablets from the inside of the coating pan and discharge them outside the coating pan.

Furthermore, by attaching an elastic body such as a spring, which is closed at the tablet outlet side of the pipe during the coating process and is opened in the tablet discharging direction only by the weight of the tablet during sampling, The hermetically sealed coating pan can be maintained during sampling.

The features of the coating pan with a sampling device of the present invention will be described with reference to the accompanying drawings.

1) As shown in FIG. 1, the sampling device (pipe) 2 does not scoop the tablets in the coating pan in the rotating direction during the coating process.

2) As shown in FIG. 2, by rotating the coating pan in the reverse direction during sampling, the tablets are scooped by the pipe 2 and discharged from the coating pan through the pipe.

3) As shown in FIG. 3 (a), since the tablets do not enter the pipe in the rotating direction during the coating process, the outlet of the lid 4 with a spring is in a closed state.

4) As shown in (b) of the same figure, at the time of sampling, the coating pan was rotated in the reverse direction, so that the weight of the tablet scooped by the pipe caused the lid 4 at the outlet of the pipe 2 to move.
Open and the tablets are ejected out of the coating pan.

(Example) A hole was made in the slope body of a horizontal ventilation type coating pan 1 having a diameter of 330 mm, a vinyl chloride pipe 2 having an inner diameter of 20 mm and a length of 150 mm was inserted, and the tablets in the pan were rotated in the rotating direction during the coating process. Angle not scooped, that is, the plan view of FIG. 1,
Secure as shown in the front and side views.

(Effect of the invention) A tablet with a diameter of 8 mm and a tablet of 195 mg 12,0
A coating experiment was conducted by charging 00 tablets. It was confirmed that the tablets were not discharged out of the coating pan during the coating process. Next, when the coating pan is rotated in the reverse direction for sampling, the tablet is scooped by the pipe 2 and the lid 4 is opened by the weight of the tablet (30 g: 100 tablets) scooped and the tablet is discharged out of the coating pan. It was confirmed.

As described above, by using the coating pan with the sampling device of the present invention, the atmosphere in the coating pan does not change because the tablet in the coating pan does not come into contact with the outside air at the time of sampling the tablet, and the atmosphere in the atmosphere does not change. No pollution due to dust etc. Furthermore, since it is possible to sample tablets with an appropriate number of tablets simply by rotating the coating pan in the reverse direction, a device such as a sampling robot is not required, and it can be said that it is advantageous for labor saving and automation of the sampling operation in the coating process. .

[Brief description of drawings]

FIG. 1 is a state diagram of a coating pan with a sampling device of the present invention during a coating process, FIG. 2 is a state diagram of a coating pan with a sampling device of the present invention during sampling, and FIG. 3 is a tablet outlet lid of the sampling device. It is a block diagram of. In the figure, 1 is a coating pan, 2 is a cylindrical object, 3 is a tablet receiver, 4 is a lid, and 5 is a spring.

Claims (2)

[Claims] 1. A sampling method, wherein a cylindrical member is attached outwardly with respect to a rotation tangent so as to form an acute angle with respect to the rotation tangential direction of the coating pan by penetrating the body of the coating pan. Coating pan with device. 2. An elastic body is provided on the granule outlet side of the tubular material, which is closed during the coating process and is opened in the discharge direction of the granule by the weight of the granule only during sampling. The coating pan with a sampling device according to claim 1, wherein a lid is attached.