JP6613461B1 - Package and method for manufacturing the package - Google Patents

Abstract

The outermost surface of a package is made of a shrink wrapping material, the side portions of the shrink wrapping material are welded to form a portion having a buffering function, and the cushioning function is provided by being wrapped in a heat-shrinkable shrink wrapping material. A package having the same is obtained. SOLUTION: A packaging body 1 is provided with a plurality of bowl-shaped air buffer portions 6 in which air is enclosed, arranged in a direction perpendicular to the length direction of the bowl-shaped air buffer section 6, and An air cushioning material 3 that wraps the article to be packaged 2 so as to cover the outer surface and forms the pre-packaging form 5 and a pre-packaging form that is made of a heat-shrink film and is formed by the air cushioning material 3 that encloses the article to be packaged 2. The article 5 is provided with a shrink wrapping material 4 that encloses the outer surface of the pre-packaging form 5 by heat shrinkage. [Selection] Figure 1

Description

  The present invention relates to a package in which an object to be packaged is wrapped with an air cushioning material and a shrink packaging material, and a method for manufacturing the package.

  Conventionally, as a technology for obtaining a package by wrapping an article to be wrapped with a shrink wrapping material made of a heat-shrinkable film, for example, in Patent Document 1, an upper film portion and a lower film portion of a heat-shrinkable film that are drawn out in a double-folded band The shrink wrapping material is used in which the upper film portion and the lower film portion are continuous at the position of the folded portion of the heat shrink film and the position of the orthogonal side composed of the melted side orthogonal to the folded portion. A dot is shown.

  And in this patent document 1, it opens between the upper film part and the lower film part from the edge | side side except the folding part and orthogonal side of a shrink wrapping material, arrange | positions a mount and a to-be-packaged object in the meantime, and an upper film While welding the open part of the part and the lower film part along the side of the mount using a linear heat sealer, fusing excess shrink wrapping material at a position along this welded part, The mount and the package are covered with an unshrinked shrink wrapping material. Furthermore, the packaging body is obtained by passing the base sheet and the article to be packaged with an unshrinked shrink wrapping material through a heater, and the shrink wrapping material is thermally contracted.

  Further, Patent Documents 2, 3, and 4 disclose a technique for obtaining a package using a packaging sheet that wraps an article to be packaged and having a cushioning function. In these documents, a packaging material is used in which a heat-shrinkable synthetic resin sheet is bonded to the flat surface side of a synthetic resin sheet having a large number of independent bubbles. And the technique which is made to heat-shrink a heat-shrinkable synthetic resin sheet after wrapping an article to be packaged with this packaging material is shown.

  Moreover, in patent document 5, while collecting the board | plate material for construction with the shrink wrapping material heat-shrinked in the body wind, in order to protect the processing part of the wooden edge of the board | plate material for construction, the inside of the shrink wrapping material, A technique for positioning an air cushion along the length of a building board is shown.

  Further, in Patent Document 6, a flat heat-shrinkable film and a non-shrinkable uneven film having a large number of irregularities are overlapped to form a flat heat-shrinkable film on the periphery of the convex portion of the non-shrinkable irregular film. It is shown that a shrink wrapping material is provided by welding, and a flat heat-shrinkable film is thermally contracted by covering the article to be packaged with the shrink wrapping material and applying heat from the outside.

  Moreover, in patent document 7, the reticulated plastic foam which has a fine bubble inside and a heat-shrinkable plastic film are bonded together, a shrink wrapping material is comprised, and the said reticulated plastic foam is made with this shrink wrapping body. It is shown that heating is performed after the object to be packaged is wrapped in such a manner that the heat shrinkable plastic film is heat shrunk by this heating.

  In the technique of Patent Document 7, a reticulated plastic foam is positioned between the packaged article and the shrink wrapping material, so that a closed air layer is formed between the packaged article and the shrink wrapping material, and a buffering effect is achieved. Has been increased.

JP 2008-013197 A JP-A-63-000080 JP 09-216657 A Japanese Unexamined Patent Publication No. 2017-070573 JP 09-240741 A Public utility Showa 55-069081 Public utility Showa 52-079881

  A packaging material in which a heat-shrinkable sheet is bonded to a synthetic resin sheet having a large number of bubbles as shown in Patent Documents 2, 3, and 4 mentioned above, and a flat plate shown in Patent Document 6 Packaging material in which a non-shrinkable concavo-convex film is integrally bonded to a thin heat-shrinkable film, and packaging in which a heat-shrinkable plastic film is bonded to a reticulated plastic foam disclosed in Patent Document 7 The packaging material is wrapped with these packaging materials, and the heat-shrinkable film part is heat-shrinked by heating, forming an air layer around the packaged material and providing cushioning. Try to get a body.

  However, after wrapping with the packaging material so that the shrink packaging material (heat-shrinkable film) is located on the outermost surface side, for example, when connecting the outer sides of the packaging material as shown in Patent Document 1, It must be welded in a state where the non-shrinkable film and the reticulated plastic foam described in Patent Document 7 are interposed, and it is very difficult to connect the outer sides of the packaging material.

  Further, in the technique disclosed in Patent Document 6, since the packaging material is provided with a straight bulge portion in advance, if the wrapping material is blown according to the size of the packaged object, the air from many bulge portions. There is a problem that it comes out.

  Moreover, in the technique shown by patent document 5, since an air buffer part is located partially, there exists a problem that a buffering effect cannot be obtained in the whole outer surface of a package.

  In the present inventor, the member having the cushioning function and the heat shrink film are not integrated, and the article to be packaged is wrapped with the member having the cushioning function, and then covered entirely with the shrink wrapping material, We focused on the fact that the side portions of the shrink wrapping material can be welded and bonded together as in the prior art, and the shrink wrapping material can be thermally contracted by heating.

  Therefore, in view of the above circumstances, the present invention has an object of forming a portion having a cushioning function inside by welding the sides of the shrink wrapping material with the outermost surface of the package being a shrink wrapping material, and heat shrinking. An object of the present invention is to obtain a package that is wrapped in a shrink wrapping material and has a buffer function.

(Invention of Claim 1)
The present invention has been made in consideration of the above problems, and a bowl-shaped air buffer portion formed by enclosing air between an article to be packaged and two flexible films is the length of the bowl-shaped air buffer portion. A plurality of air cushions that are arranged side by side in a direction perpendicular to the direction, envelop the package to cover the outer surface of the package, and form a pre-packaging form, and a heat shrink film, A shrink wrapping material is provided that wraps the pre-packaging form formed by the air cushioning material wrapped around the packaged article so as to cover the outer surface of the pre-packaging form by heat shrinkage. The above-described problem is solved by providing a package.

(Invention of Claim 2 )
According to another aspect of the present invention, a plurality of saddle-shaped air buffer portions formed by enclosing air between two flexible films are provided in a plurality in a direction perpendicular to the length direction of the saddle-shaped air buffer portions. After forming a pre-packaging form that wraps the package with a band-shaped air cushioning material that is wrapped so that the outer surface of the package is covered with the air cushioning material,
A shrink wrapping material in which a heat-shrink film having an air vent hole is folded in two from a folded portion, and an upper film portion and a lower film portion are overlapped so as to be openable, and the position of the folded portion is perpendicular to the folded portion The upper film portion and the lower film portion are continuous with each other at the position of one orthogonal side, and the upper film portion and the lower film portion are opened from the side of the side excluding the folding portion and the orthogonal side. Placing the pre-packaging feature between the film part and the lower film part,
The open part of the upper film part and the lower film part in the shrink wrapping material is welded along the pre-packaging form, and the excess shrink wrapping material is fused at a position along the welded part to wrap the package. Cover the front form with unshrinked shrink wrapping material,
The unshrinked shrink wrapping material covering the pre-packaging form is heated and thermally contracted, and the pre-packaging form is wrapped with the heat-shrinked shrink wrapping material so as to cover the outer surface of the pre-packaging form. The manufacturing method of the package which performs and provides the manufacturing method of this packaging body solves the said subject.

  According to the present invention, the pre-packaging form formed by wrapping the article to be packaged with the air cushioning material is wrapped with the shrink wrapping material made of the heat shrinkable film, and the sides of the heat shrinkable film of the shrink wrapping material are Are directly connected to each other and thermally contracted to hold the entire pre-packaging form in a tightened state.

  Therefore, the state in which the air cushioning material covers the article to be packaged does not collapse, and the packaging body that does not impair the cushioning function can be obtained with a simple configuration.

It is explanatory drawing which shows embodiment which concerns on this invention in the state of a perspective view. It is explanatory drawing which shows embodiment by a cross section. It is explanatory drawing which shows a form before packaging in the state of a perspective view. It is explanatory drawing which shows the state which covered the package before packaging with the unshrinkable shrink wrapping material. It is explanatory drawing which shows the state which removed the excess part of shrink wrapping material.

(Packaging body)
Next, the present invention will be described in detail based on the illustrated embodiment. In the figure, reference numeral 1 denotes a package, and the package 1 is to be packaged 2 as shown in FIG. 1, an air cushioning material 3 for wrapping the packaged material 2, and the packaged material by the air cushioning material 3. 2 and a shrink wrapping material 4 that further wraps the wrapping material 2.

  As shown in FIG. 2, the air cushioning material 3 wraps the packaging object 2 so as to cover the outer surface of the packaging object 2, and the air cushioning material 3 covers the outer surface of the packaging object 2. By wrapping the article 2 to be packaged, a pre-packaging form 5 is formed in which an air layer exists around all outer surfaces of the article 2 to be packaged.

  In the air cushioning material 3 itself, a plurality of bowl-shaped air cushioning sections 6 in which air is sealed between two flexible films are provided side by side in a direction perpendicular to the length direction of the bowl-shaped air cushioning section 6. It is what. And the air quantity enclosed by each bowl-shaped air buffer part 6 is adjusted so that the air buffer material 3 can be easily bent according to the outer shape of the article 2 to be packaged. It is easy to bend in the length direction of the bowl-shaped air buffer portion 6.

  The shrink wrapping material 4 is made of a heat-shrinkable film made of a synthetic resin that heat-shrinks when heated. In the package 1, the shrink wrapping material 4 is in a heat-shrinked state by heating, and the pre-packaging form 5 is wrapped so as to cover the entire outer surface of the pre-packaging form 5 by the heat shrinkage. It is what is.

  As described above, the shrink wrapping material 4 in the wrapping body 1 is wrapped in a state in which the whole of the pre-packaging form 5 is tightened by heat shrinkage. Since the shrink wrapping material 4 covers the pre-packaging form 5 in a tightened state, the form in which the air cushioning material 3 wraps the article 2 to be packaged does not collapse, and the cushioning function by the air cushioning material 3 is impaired. I can't.

  In the figure, reference numeral 7 denotes an air vent hole. The air vent 7 is an opening for allowing the air to escape from the internal space surrounded by the shrink wrapping material 4 when the shrink wrapping material 4 is thermally contracted so that the shrink wrap material 4 is easily contracted.

(Method for manufacturing packaging)
In manufacturing the package 1 having the above-described structure, first, the article to be packaged 2 is wrapped with a band-shaped air cushioning material 3. As described above, the air cushioning material 3 is provided with a plurality of bowl-shaped air cushioning sections 6 arranged in a direction orthogonal to the length direction of the bowl-shaped air cushioning section 6. And the bowl-shaped air buffer part 6 is formed by enclosing air between two flexible films, and the two films are overlapped to form a part of the bowl-shaped air buffer part 6 and this Using a belt-like sheet in which two films are pre-welded with respect to the portions other than the air feeding portion to the forming portion of the saddle-shaped air cushioning portion 6, the saddle-shaped air cushioning portion passes through an air blowing portion (not shown) through an air blowing portion. The air feeding portion is closed by welding while air is fed into the forming portion 6 to seal each of the bowl-shaped air buffer portions 6.

  In addition, although each shape of the bowl-shaped air cushioning part 6 of the air cushioning material 3 shown in the figure shows the thick parts 6a and the details 6b alternately arranged, the air cushioning material 3 shows an example. Yes, the bowl-shaped air buffer 6 is not limited to the illustrated one.

  As shown in FIG. 3, the pre-packaging form 5 is formed by wrapping the air cushioning material 3 so as to cover the entire outer surface of the package 2, and then wrapped with the shrink wrapping material 4.

  As shown in the figure, the shrink wrapping material 4 used for manufacturing the packaging body 1 is formed by folding the heat shrinkable film in half from the folding portion 8 so that the upper film portion 4a and the lower film portion 4b can be opened. Has been. And it is made into a belt-like shape in a double-folded form so as to be fed out from a roll body (not shown), and the most advanced side part in the belt-like object fed out from the roll body is an orthogonal side 9 orthogonal to the folding part 8. Yes, the upper film portion 4a and the lower film portion 4b are welded so as to be continuous by thermocompression bonding by fusing.

  The upper film portion 4a and the lower film portion 4b of the shrink wrapping material 4 are continuous at the position of the folding portion 8 and the position of the orthogonal side 9 at the most advanced portion that is fed out. The pre-packaging form 5 is disposed between the upper film part 4a and the lower film part 4b while opening between the upper film part 4a and the lower film part 4b from the side excluding the orthogonal side 9. See Figure 4

  Next, the open portions of the upper film portion 4a and the lower film portion 4b, that is, the side sides excluding the position on the folding portion 8 side and the position on the orthogonal side 9 side are packaged by a sealer 10 bent at a right angle. While welding along the front form 5, surplus shrink wrapping material 4 is melted by the sealer 10 at a position along the welded portion so as to cover the pre-packaging form 5 with the unshrinked shrink wrapping material 4. To. See Figure 5

  Thereafter, the unshrinked shrink wrapping material 4 in the pre-packaging form 5 is heated and thermally shrunk so that the entire surface of the pre-packaging form 5 is covered with the heat-shrinked shrink wrapping material 4. Envelop the whole thing. Thereby, the package 1 is obtained.

DESCRIPTION OF SYMBOLS 1 ... Packaging body 2 ... Packaged object 3 ... Air cushioning material 4 ... Shrink wrapping material 4a ... Upper film part 4b ... Lower film part 5 ... Pre-packaging form 6 ... Bag-like air cushioning part 6a ... Thick part 6b ... Details 7 ... Air vent 8 ... Folding part 9 ... Right side 10 ... Sealer

Claims (2)

Packaged goods,
A plurality of bowl-shaped air buffer portions formed by enclosing air between two flexible films are provided side by side in a direction perpendicular to the length direction of the bowl-shaped air buffer section, An air cushioning material that wraps an article to be packaged so as to cover the outer surface of the film and forms a pre-packaging form;
A shrink wrapping material, which is made of a heat shrink film and is wrapped by covering the outer surface of the pre-packaging form by heat shrinking, with the pre-packaging form formed by the air cushioning material wrapping the package object. package, characterized in that it comprises. A band-shaped air cushioning material in which a plurality of cage-shaped air cushioning portions formed by enclosing air between two flexible films are arranged in a direction perpendicular to the length direction of the cage-shaped air cushioning portions. , After wrapping the article to be packaged, forming a pre-packaging form that is wrapped so that the outer surface of the article to be wrapped is covered by the air cushioning material,
A shrink wrapping material in which a heat-shrinkable film with an air vent hole is folded in two from a fold, and an upper film portion and a lower film portion are overlapped so as to be openable, and the position of the fold portion is perpendicular to the fold portion. The upper film portion and the lower film portion are continuous with each other at the position of one orthogonal side, and the upper film portion and the lower film portion are opened from the side of the side excluding the folding portion and the orthogonal side. Placing the pre-packaging feature between the film part and the lower film part,
The open part of the upper film part and the lower film part in the shrink wrapping material is welded along the pre-packaging form, and the excess shrink wrapping material is fused at a position along the welded part to wrap the package. Cover the front form with unshrinked shrink wrapping material,
The unshrinked shrink wrapping material covering the pre-packaging form is heated and thermally contracted, and the pre-packaging form is wrapped with the heat-shrinked shrink wrapping material so as to cover the outer surface of the pre-packaging form. A manufacturing method for a package.

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