JP4439381B2 - Packaging buffer and packaging structure - Google Patents

Description

  The present invention relates to a packaging cushion made of corrugated cardboard and a packaging structure, for example, used for packaging an object to be packaged such as an indoor unit of an air conditioner.

As this type of conventional packaging buffer, it is made of a corrugated board as disclosed in Patent Document 1, and is set by being inserted and set inside the outer buffer and the outer buffer. What is comprised from the inner side buffer body which has the folding step part which fits the shape of a part is known. That is, the inner buffer is stacked inside the outer buffer, and the inner buffer is covered almost entirely with the outer buffer.
JP-A-11-115968

  Since the packaging cushion disclosed in the above-mentioned conventional Patent Document 1 covers the inner cushion almost over the entire surface with the outer cushion, when the two cushions are covered with the cushion and stacked, As the packaged item becomes heavier, the corrugated plate step (mountain) on the upper and lower walls of the shock absorber collapses, causing distortion and tilting the packaged item. In addition, when packaging of the article to be packaged is completed, the cushion is covered on both ends of the article to be packaged, and the corrugated board is bent into a rectangular tube shape on the outside and covered with sleeves that are open on both left and right sides. When the corrugation of the corrugated plate occurs, there is a problem that the side plate of the sleeve bulges and the strength of the sleeve decreases.

  An object of the present invention is to solve such a problem, and suppresses the crushing of the corrugated plate on the upper and lower walls of the shock absorber, thereby suppressing the occurrence of distortion, and further, the trunk of the side plate of the sleeve. It is an object of the present invention to provide a packaging cushion and a packaging structure that can suppress the occurrence of swelling and maintain the sleeve strength.

  The cushioning body for packaging according to claim 1 of the present invention is composed of an outer cushioning material made of corrugated board and an inner cushioning material made of corrugated board that is inserted and set inside the outer cushioning material. A pair of opposing side plates that are connected to the central plate portion of the cushioning material are placed on the outside of the opposing plate portions on both sides of the inner cushioning material plate that overlaps the central plate portion. The top and bottom flaps connected to the side plate are engaged with each other, and the top and bottom flaps are formed of an outer top plate portion and an inner top plate portion of the outer cushioning material, and an outer bottom plate portion and an inner bottom plate portion. The upper end face of the outer cushioning material and the inner cushioning material are the upper and lower end surfaces on both sides of the outer cushioning material and the inner cushioning material. L formed in the rear part of the connecting part with the central plate part of the part Characterized in that configured in the cut portion of the to appear outside the top plate portion and the outer bottom plate portion flush shape.

  The packaging structure according to claim 2 of the present invention is a packaging structure using the packaging buffer according to claim 1, and the packaging cushion is put on both ends of the article to be packaged, and on the outside thereof. The corrugated cardboard plate is bent into a rectangular tube shape and covered with a sleeve that is open at both left and right ends.

  As described above, the cushioning body for packaging and the packaging structure according to the present invention include the end surfaces of the steps in which the length direction of the outer cushioning material and the inner cushioning material is vertically directed on the upper and lower end surfaces on both sides of the outer cushioning material and the inner cushioning material. Therefore, the corrugated plate of the upper and lower wall portions of the shock absorber is not crushed, and hence no distortion is generated. Further, the occurrence of the swelling of the side plate of the sleeve can be prevented.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS.
In the figure, the cushioning body for packaging is composed of an outer cushioning material 1 made of corrugated board and an inner cushioning material 2 made of corrugated board that is inserted and set inside the outer cushioning material 1.

  The outer cushioning material 1 has a horizontally long plate portion 3 that is vertically oriented, a pair of opposing side plates 4 and 5 that are connected to the short side located on the left and right sides of the plate portion 3, and the plate portion 3. The top plate portion 6 and the bottom plate portion 7 are provided continuously on the long side located above and below the bottom plate portion.

  A pair of opposing side plates 4 and 5 connected to the short side of the plate portion 3 has flaps 4a, 4b and 5a, 5b connected to both upper and lower ends folded at right angles to the side plates 4 and 5. The top plate portion 6 and the bottom plate portion 7 are sandwiched. Specifically, the top plate portion 6 includes an outer top plate portion 6a that forms an outer surface (upper surface) and an inner top plate portion 6b that forms an inner surface, and the bottom plate portion 7 has an outer bottom plate portion 7a that forms an outer surface (lower surface). And the inner bottom plate portion 7b forming the inner surface, and the flaps 4a and 5a are simultaneously sandwiched between the outer top plate portion 6a and the inner top plate portion 6b of the top plate portion 6, and the outer bottom plate of the bottom plate portion 7 is sandwiched between them. The flaps 4b and 5b are sandwiched simultaneously between the portion 7a and the inner bottom plate portion 7b. Claw portions 4a 'and 5a' meshing with each other are formed at the tips of the flaps 4a and 5a, and claw portions 4b 'and 5b' meshing with each other are formed at the tips of the flaps 4b and 5b. The flaps 4a and 5a are sandwiched between the outer top plate portion 6a and the inner top plate portion 6b while being engaged with each other by the claw portions 4a 'and 5a' at the leading ends. As a result, the top plate having a triple wall structure Part 6 is configured. Further, the flaps 4b and 5b are sandwiched between the outer bottom plate portion 7a and the inner bottom plate portion 7b while being engaged with each other by the claw portions 4b ′ and 5b ′ at the leading ends. As a result, the bottom plate portion 7 having a triple wall structure is sandwiched. Come to compose. Further, cuts 4a "and 5a" and cuts 4b "and 5b" are formed at the rear portions of the flaps 4a and 5a and the flaps 4b and 5b at the connecting portion with the opposing side plates 4 and 5. Further, L-shaped cuts 6a ′ and 7a are formed on both sides of the rear portion of the top plate portion 6 and the outer top plate portion 6a of the top plate portion 6 and the bottom plate portion 7 and the rear bottom portion of the outer bottom plate portion 7a connected to the central plate portion 3. And the lateral length (long side dimension) of the inner top plate portion 6b and the inner bottom plate portion 7b is larger than the lateral length (long side dimension) of the outer top plate portion 6a and the outer bottom plate portion 7a. Are formed on both sides of the rear end of the inner top plate portion 6b and the inner bottom plate portion 7b. Further, the floating prevention pieces 6b 'and 7b' are formed at the center of the rear ends of the inner top plate portion 6b and the inner bottom plate portion 7b. Are formed with locking pieces 6b "and 7b".

  Next, the inner cushioning material 2 is connected to the plate portion 8 which is substantially the same size as the central plate portion 3 of the outer cushioning material 1 and overlaps the inner surface of the plate portion 3, and the short side of the plate portion 8. A pair of opposing plate portions 9 and 10, and plates that are connected to the respective plate portions 9 and 10 at the tips of the plate portions 9 and 10 parallel to the short sides of the plate portion 8 and overlap the outside of the plate portions 9 and 10. Portions 11 and 12, narrow plate portions 13 and 14 that are connected to the rear ends of the plate portions 11 and 12 and bend so as to be parallel to the back surface of the plate portion 8, and the narrow plate portions The narrow plate portions 15 and 16 are connected to the plate portions 13 and 14 so as to overlap the front surfaces of the plate portions 13 and 14, and the plate portions 15 and 16 overlap the back surface of the plate portion 8. By the way, on the opposite side of the long side of the plate part 8, recesses 8a and 8b having shallow depths are formed in addition to both ends in the length direction, and in the center in the length direction of the recesses 8a and 8b. Locking recesses 8a ′ and 8b ′ for locking with the locking pieces 6b ″ and 7b ″ of the inner top plate portion 6b and the inner bottom plate portion 7b are formed. Then, both end portions in the length direction of the opposite side on the long side of the plate portion 8 are folded in half with the same width as the plate portions 13 and 14 and the plate portions 15 and 16. , 16 overlap the plate portions 15 and 16. Further, in the state where the plate portions 9 and 11 and the plate portions 10 and 12 are overlapped with each other, stepped portions 9a and 11a and stepped portions 10a and 12a that are notched in an L shape are formed on the upper and lower ends on the front end side.

  The combination of the outer cushioning material 1 and the inner cushioning material 2 will be described. The plate portions 9 and 11 and the plate portions 10 and 12 are bent with respect to the plate portion 8 of the inner cushioning material 2 and the plate portions 11 and 12 are bent. The plate portions 13, 15 and 14, 16 are bent. The inner cushioning material 2 is applied to the central plate portion 3 of the outer cushioning material 1, and the pair of opposed side plates 4 and 5 of the outer cushioning material 1 are bent at a right angle with respect to the central plate portion 3. The opposing side plates 4 and 5 bent at a right angle overlap the outer surfaces of the plate portions 11 and 12 of the inner cushioning material 2 and are connected to the pair of opposing side plates 4 and 5 of the outer cushioning material 1 in this state. The notches 4a ", 5a" and the notches 4b ", 5b" formed in the flaps 4a, 4b and 5a, 5b by bending the flaps 4a, 4b and 5a, 5b are the plate portions 9 where the inner cushioning material 2 overlaps each other. 11 and the step portions 9a and 11a formed on the plate portions 10 and 12 and the step portions 10a and 12a, and the tips of the flaps 4a and 5a and the flaps 4b and 5b are connected to each other with the claw portions 4a 'and 5a' and The claws 4b 'and 5b' are engaged with each other. Thereafter, the top plate portion 6 and the bottom plate portion 7 of the outer cushioning material 1 are folded, and the flaps 4a and 5a are wrapped between the outer top plate portion 6a and the inner top plate portion 6b of the top plate portion 6, and the outside of the bottom plate portion. The flaps 4b and 5b are wrapped between the bottom plate portion 7a and the inner bottom plate portion 7b, and the inner top plate portion 6b and the locking pieces 6b "and 7b" at the center of the rear end of the inner bottom plate portion 7b are recessed portions of the plate portion 8, respectively. Lock to 8a 'and 8b'. At this time, the L-shaped cuts 6a ′ and 7a ′ formed in the outer top plate portion 6a and the outer bottom plate portion 7a are engaged with the concave portions 8a and 8b, the step portions 9a and 11a, and the step portions 10a and 12a. Thus, the end surfaces of the plate portions 9 and 11 and the plate portions 10 and 12 and the plate portions 13 and 15 and 14 and 16 of the inner cushioning material 2 are exposed from the cuts 6a ′ and 7a ′, and further, the outer cushioning material 1 The end surfaces of the central plate portion 3 and the pair of opposed side plates 4 and 5 are exposed. It should be noted that the plate portion 3 of the outer cushioning material 1 and the pair of opposing side plates 4 and 5 and the plate portions 8, 9, 10, 11, 12, 13, 14, 15, 16 of the inner cushioning material 2 The lengthwise direction is made so as to be directed in the vertical direction, and the end face of each step is the upper and lower end faces on both sides of the buffer body, and the outer top plate portion 6a and the outer bottom plate portion 7a are located at the positions of cuts 6a ′ and 7a ′. Appears flush.

  Two shock absorbers constructed in this way are prepared, covered on both ends in the length direction of the package 17 such as an indoor unit of an air conditioner, and a corrugated cardboard plate is bent into a rectangular tube shape on the outer side to open both left and right ends. Cover the sleeve 18 and hang a band 19 in the length direction to complete the packaging.

It is an expanded view of the outer side buffer material in one embodiment of this invention. It is an expanded view of the inner side shock absorbing material. It is a perspective view which shows the state which assembled the inner side shock absorbing material. It is a perspective view which shows the state in the middle of setting and mounting the same inner side buffer material on the center board part of an outer side buffer material. It is a perspective view of the buffer body completed by wrapping the inner buffer material with the outer buffer material. It is a perspective view which shows the state which covered the buffer body on the both ends of the to-be-packaged object. It is a perspective view which shows the packaging completion state which covered the whole with the sleeve and hung the band.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outer shock absorbing material 2 Inner shock absorbing material 3 Plate part 4,5 Side plate 4a, 4b, 5a, 5b Flap 4a ', 4b', 5a ', 5b' Claw part 4a ", 4b", 5a ", 5b" Notch 6 Top Plate portion 6a Outer top plate portion 6a 'Cut 6b Inner top plate portion 6b' Lifting prevention piece 6b "Locking piece 7 Bottom plate portion 7a Outer bottom plate portion 7a 'Cutout 7b Inner bottom plate portion 7b' Lifting prevention piece 7b" Locking piece 8 Plate portion 8a, 8b Recessed portion 8a ', 8b' Recessed portion 9, 10 Plate portion 9a, 10a Step portion 11, 12 Plate portion 11a, 12a Step portion 13, 14, 15, 16 Plate portion 17 Packaged object 18 Sleeve 19 Band

Claims (2)

A set of an outer cushioning material made of corrugated board and an inner cushioning material which is inserted and set in the outer cushioning material and is also made of cardboard board, and is connected to the central plate portion of the outer cushioning material. The opposing side plates are overlapped on the outside of the opposing plate portions on both sides of the inner cushioning material plate overlapping the central plate portion, and the tips of the upper and lower flaps connected to the pair of opposing side plates of the outer cushioning material are engaged with each other. The upper and lower flaps are wrapped with a top plate portion composed of an outer top plate portion and an inner top plate portion of an outer cushioning material, and a bottom plate portion composed of an outer bottom plate portion and an inner bottom plate portion. The upper and lower end faces on both sides of the material are formed at the rear part of the joint part with the center plate part of the outer top plate part and the outer bottom plate part, with the end surfaces of the outer cushioning material and the inner cushioning material facing in the vertical direction. Outer top plate and outer bottom plate at the L-shaped notch The cushioning body which is characterized by being configured to appear flush with the. A packaging structure using the packaging cushion according to claim 1, wherein the packaging cushion is placed on both ends of the packaged object, and a corrugated board is bent into a rectangular tube shape on the outside thereof, and both left and right ends are opened. A packaging structure characterized by being covered with a sleeve.

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