JP3249336B2 - Medicine packaging paper for medicine packaging - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medicine packaging paper for forming a packaging bag for accommodating medicines.

[0002]

2. Description of the Related Art In a conventional medicine packaging paper, an automatic medicine packaging machine or the like divides medicines for each dose according to a patient's prescription so that the patient does not have to select and take different medicines. The medicine is put in the same sachet so that it can be administered. And sachets are made of cellophane base so that weak patients can break. In this sachet, a continuous sheet is formed by folding a strip-shaped sheet material coated with cellophane coated with polyethylene having heat-adhesive property in the longitudinal direction into two pieces by heat-welding, so that the successive sachets can be separated. Then, a perforation for cutting is provided in the heat-welded portion orthogonal to the longitudinal direction, and the pieces are delivered in a connected state for each patient according to a prescription. For this reason, the patient cuts the sachet from the perforation each time the patient takes the drug (see, for example, Japanese Utility Model Publication No. 1-36353).

[0003]

However, since the conventional sachet is made of cellophane, if the sachet is not carefully cut off from the perforation, the sachet itself other than the perforation may be torn or cut. There was a danger that the medicine was spilled by tearing the sachets that were not taken this time. Further, there is a problem that even if the medicine does not spill, the sealing property is impaired and the storage stability is deteriorated.

The present invention solves the above problems,
The cutting direction of the sachet is shifted from the tearing direction to prevent the bag from being torn when cutting from the perforation, and the tear guide indicator for guiding the tearing direction of the sachet when taking is provided at the tearing part. It is an object of the present invention to provide a medicine packaging paper for medicine packaging, which is capable of securely printing near.

[0005]

According to the present invention, a long sheet is formed using polypropylene as a base material, and a plurality of storage sections for storing the medicines in the longitudinal direction of the long sheet are continuously formed by a heat welding section. A vertical heat-sealing mechanism that partitions the storage section into an arbitrary width by intersecting the heat-welded portion with the longitudinal direction of the long sheet, and heat-welding the mating end of the long sheet. A horizontal perforation is formed by the horizontal heat sealing mechanism, and a perforation is cut into the vertical welding portion formed by the vertical heat sealing mechanism. A tear-off portion is provided in a direction intersecting the direction of the perforation, and a tear-off guide display printed near the tear-off portion is changed in accordance with a vertical welding portion formed by the vertical heat sealing mechanism.

[0006]

According to the present invention having the above-described structure,
A tear guide display to be printed near a tear portion of a plurality of sachets formed by partitioning the long sheet in the longitudinal direction by the vertical heat sealing mechanism in accordance with the vertical welding portion formed by the vertical heat sealing mechanism. Even if it fluctuates, even if the size of the sachet divided by the vertical heat sealing mechanism is changed, the tearing guide display can be printed near the tearing part, so that the patient etc. can surely tear the sachet. I have to.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

FIG. 1 is a plan view of a band-shaped medicine packaging paper showing one embodiment of the present invention. FIG. 2 is a plan view of the medicine packaging paper of the present invention folded in two in the longitudinal direction and heat-sealed. FIG. 3 is a sectional view of a main part of the sachet according to the present invention. FIG. 4 is an enlarged plan view of the vertical welding portion for separating the sachet according to the present invention. FIG. 5 is a diagram showing the steps of manufacturing the sachet according to the present invention.
FIG. 6 is a block diagram showing a control circuit of the present invention.

Reference numeral 1 denotes a band-shaped wrapping paper, which is formed of a polypropylene sheet 2, a polyethylene sheet 3 superposed on one surface of the polypropylene sheet, and a coating formed on a half of the other surface in the longitudinal direction by coating. A white display surface 4.

[0010] The band-shaped medicine packaging paper 1 is obtained by folding the polyethylene sheet 3 inward in the longitudinal direction and forming a series of compartments by the heat-welding portion 5 as shown in FIG. You. The heat welding part 5 divides the sachet 6 into an arbitrary size according to the size and amount of the medicine, a vertical welding part 7 orthogonal to the longitudinal direction of the band-shaped medicine packaging paper 1, and a belt-like part connected to the vertical welding part. A horizontal welded portion 8 for sealing the mating surface of the medicine packaging paper 1 in the same direction as the longitudinal direction is formed.

The vertical welding portion 7 is provided with a cut perforation 9 for separating each sachet 6 in a straight line. A cut 11 is formed in the middle of the perforation 9 to form a V-shaped notch 10 that cuts the sachet 5 in a direction perpendicular to the direction of the perforation. This cut is formed in the vertical welded portion 7 between the straight cut 9a of the perforation 9 and connected to the cut of the perforation. The notch 10 is provided at an end of the longitudinal weld 7 in the direction of the perforation 9 at a position not to cover the horizontal weld 8.

Numeral 12 denotes a tearing guide display portion on which a cutout or the like is printed on the display surface 4. This display portion is printed near the V-shaped notch 10 so as to indicate a tearing direction.

FIG. 5 shows a divided packaging device 13 for forming the packaging bag 6. Reference numeral 14 denotes a wrapping paper roll around which the medicine packaging paper 1 is wound. Reference numeral 15 denotes a shaft supported at one end by a shaft 16 and a roller 17 at the other end. , An arm for applying tension to the packaging paper 1 by a spring 18, a transfer device 19 for taking out the packaging paper 1 in the longitudinal direction, and 20 a packaging mechanism.

The packaging mechanism 20 includes a vertical heat seal mechanism 21 for applying the vertical welding portion 7 to the medicine packaging paper 1 for partitioning, a perforation blade 22 for forming a perforation 9 in the vertical welding portion 7, and a partitioned single package. Hopper 23 for injecting tablets into sachets 6 per minute
And a horizontal heat sealing mechanism 24 for applying the horizontal welding portion 8 and closing the upper opening of the sachet 6. Also,
A printer 25 is arranged at the preceding stage of the packaging mechanism 20 so as to perform a printing operation on the medicine packaging paper 1. And printer 2
A line feed roller 26 driven by a stepping motor and a tension arm 27 that swings in accordance with the feed amount of the medicine packaging paper 1 by the line feed roller are disposed behind the step 5.

FIG. 6 shows a control circuit. A printer control circuit 28 for driving the printer 25 receives an input signal from the packaging control circuit 29 for driving the packaging mechanism 20 indicating that the transfer device 19 has been stopped. Is output to the printer 25 according to a preset format based on the information set in the printer 25. Then, the printer 25 first prints a tearing guide display section 12 for guiding the tearing direction of the sachet 6. The tear-off guide display portion is fixed from the vertical welding portion 7 formed by the vertical heat seal mechanism 21 that divides the medicine packaging paper 1 into the length of one packet set by the input device 30 according to the amount and size of the medicine. Is printed at a distance of

In the medicine packaging paper thus constructed, a packaging bag 6 for packaging medicines for each dose based on prescription information of a patient or the like has a polyethylene sheet 3 superimposed on one surface of the polypropylene sheet 2. A band-shaped medicine packaging paper 1 formed by coating a display surface 4 that can print on half of the other surface in the longitudinal direction is folded in two in the longitudinal direction, and the polyethylene sheet 3 is welded by heat welding and sealed. It is formed. Then, the sachet 6 partitioned by heat welding is formed by perforations 9 provided in the vertical welding portion 7.
It has been cut out.

The sachet 6 is formed of a hard-to-break polypropylene as a base material, so that the medicine storage portion is not broken when cut from the perforation 9. The sachet 6 has a direction perpendicular to the direction of the perforations 9 for separating, so that the medicine does not spill in the vertical direction when cut off from the perforations 9.

The notch 10 for cutting the sachet 6 is perforated 9
Is formed with a V-shaped cut 11 connected to the perforation cut between the straight cuts 9a, so that when the sachet 5 is cut from the perforation 9, a V-shape is formed at the cut edge of the perforation. Have been. The cutout 10 has a cutout guide display section 11 printed thereon with a cutout or the like for guiding the cutout direction nearby, thereby facilitating the separation of the separated sachet 6 from the cutout 10. The notch 10 is provided at the end in the direction in which the perforation 9 is inserted, so that the number of cut ends is reduced at the time of cutting, so that the medicine stored in the sachet 6 does not spill. In addition, the notch 10 is provided at a position that does not cover the horizontal welding portion 8 so that the notch 10 can be reliably opened when the sachet 6 is opened.

The tear-off guide display section 12 of the sachet 6 has a vertical heat seal 7 for forming a vertical welding part 7 for dividing the sachet 6 by changing the longitudinal length of the sachet 6 according to the size and amount of the medicine. Printing by following the fluctuation of the mechanism 21 enables printing at a position equidistant from the vertical welding portion 7, thereby preventing a shift due to a change in the length of the sachet 6 in the longitudinal direction.

[0020]

As described above, according to the present invention, a long sheet is formed using polypropylene as a base material, and the storage sections for storing the medicines in the longitudinal direction of the long sheet are continuously formed by the heat welding section. A longitudinal heat sealing mechanism that forms a sachet by dividing the heat-sealing portion with the longitudinal direction of the long sheet to divide the storage portion into an arbitrary width; and a mating end of the long sheet. And a horizontal heat sealing mechanism for heat welding, and a perforation for cutting is formed in the vertical welding portion formed by the vertical heat sealing mechanism, and a sachet is provided at a cutting edge of the vertical welding portion in which the perforation is formed. Since a tear-off portion was provided in the direction intersecting the direction of the perforation for cutting, and a tear-off guide display printed near the tear-off portion was changed in accordance with the vertical welding portion formed by the vertical heat sealing mechanism. , The minute Even if the vertical welding part fluctuates, the tearing guide display part which indicates the opening direction of the bag can always be printed at a fixed distance from the vertical welding part formed by the vertical heat sealing mechanism, so that this packaging bag can be reliably opened. It was made.

[Brief description of the drawings]

FIG. 1 is a plan view of a band-shaped package paper showing one embodiment of the present invention.

FIG. 2 is a plan view of a medicine package paper which is folded in two in the longitudinal direction and heat-sealed according to the present invention.

FIG. 3 is a sectional view of a main part of the sachet according to the present invention.

FIG. 4 is an enlarged plan view of a vertical welding portion for separating the sachet according to the present invention.

FIG. 5 is a configuration diagram showing a step of manufacturing a sachet according to the present invention.

FIG. 6 is a block diagram showing a control circuit of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 strip-shaped medicine wrapping paper 2 polypropylene sheet 5 heat-sealed portion 6 sachet 7 vertical welded portion 8 horizontal welded portion 9 perforation 10 notch 11 cut 12 tear-off guide display portion 21 vertical heat seal mechanism 24 horizontal heat seal mechanism

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 30/10 B65B 1/30 B65B 11/52 B65B 61/02

Claims (1)

(57) [Claims] 1. A packaging bag formed by forming a long sheet using polypropylene as a base material, and a plurality of storage sections for storing medicines in the longitudinal direction of the long sheet are continuously divided by a heat welding section. A vertical heat seal mechanism that forms and crosses the heat-welded portion with the longitudinal direction of the long sheet to partition the storage portion into an arbitrary width, and a horizontal heat seal mechanism that heat-welds the mating end of the long sheet. The perforation for cutting is formed in the vertical welded portion formed by the vertical heat sealing mechanism, and the sachet is cut at the cutting edge of the vertical welded portion crossed with the direction of the perforation for cutting. A medicine packaging paper for medicine packaging, characterized in that a tear-off portion is provided in a direction to be cut off, and a tear-off guide display printed near the tear-off portion is changed in accordance with a vertical welded portion formed by the vertical heat sealing mechanism.