TW202216551A - Packaging bag - Google Patents

Abstract

It is an object of the present invention to provide a packaging bag that is able to minimize the destruction of the packaging bag from a connection part between a first linear welded part and a second linear welded part.

The packaging bag includes a first reinforcement part and a second reinforcement part. In the packaging bag, near the first linear welded part, one of a pair of sheet-shaped walls has a surface opposite to a surface of one of a pair of opposite parts, which opposite surfaces are bonded to each other; the pair of opposite parts have surfaces opposite to each other, which opposite surfaces are bonded to each other; and the other of the pair of sheet-shaped walls has a surface opposite to a surface of the other of the pair of opposite parts, which opposite surfaces are bonded to each other. Thereby, the first reinforcement part is formed. The pair of sheet-shaped walls have surfaces opposite to each other and these opposite surfaces are bonded to each other near the second linear welded part. Thereby, the second reinforcement part is formed. The first reinforcement part and the second reinforcement part are continuous with each other to form a reinforcement area.

Description

包裝袋 packaging bag

本發明是關於一種具有片狀襠片(gusset)部的包裝袋。 The present invention relates to a packaging bag having a sheet-like gusset portion.

過去以來，就用來包裝食品等物品的包裝袋而言，已知有各種形態。具體而言，如專利文獻1所示，有一種包裝袋具有：彼此相對向的一對片狀壁部；被折入前述一對片狀壁部之間，並且連接第一方向當中的前述一對片狀壁部之一端部彼此的片狀襠片部；以及可將物品收容在前述一對片狀壁部間的開口部。該包裝袋中，前述片狀襠片部位於第一方向的一端側，開口部位於第一方向的另一端側。而且，在前述包裝袋收容有物品的狀態下，在第一方向的另一端側將該包裝袋捆綁，或是貼上膠帶，藉此將收容空間封閉。 In the past, various forms of packaging bags for packaging food and other items have been known. Specifically, as shown in Patent Document 1, there is a packaging bag having a pair of sheet-like wall portions facing each other, being folded between the pair of sheet-like wall portions, and connecting the one in the first direction. A sheet-like crotch portion to each other at one end of the sheet-like wall portions; and an opening portion capable of accommodating articles between the pair of sheet-like wall portions. In this packaging bag, the sheet-like crotch portion is located on one end side in the first direction, and the opening portion is located on the other end side in the first direction. Then, in the state where the articles are accommodated in the packaging bag, the packaging bag is bound at the other end side in the first direction, or the storage space is closed by affixing an adhesive tape.

如上述的包裝袋當中，前述一對片狀壁部及前述片狀襠片部具備位於與第一方向交叉的第二方向而且朝第一方向延伸的兩側端緣。並且，前述一對片狀壁部的兩側端緣與前述片狀襠片部的兩側端緣被熔接成線狀而形成第一線狀熔接部。並且，前述一對片狀壁部的兩側端緣彼此被熔接成線狀而形成第二線狀熔接部。該第一線狀熔接部與第二線狀熔接部是連續地形成。 In the packaging bag described above, the pair of sheet-like wall portions and the sheet-like crotch portion are provided with both side edge edges located in a second direction intersecting with the first direction and extending toward the first direction. And the both side edge of the said pair of sheet-like wall part and the both-sides edge of the said sheet-like crotch part are welded in a linear shape, and the 1st linear welding part is formed. In addition, both side edge edges of the pair of sheet-like wall portions are welded to each other in a linear shape to form a second linear welded portion. The first linear welded portion and the second linear welded portion are formed continuously.

[先前技術文獻] [Prior Art Literature]

[專利文獻] [Patent Literature]

專利文獻1：日本國特開2002-154558號公報 Patent Document 1: Japanese Patent Laid-Open No. 2002-154558

然而，如上述的包裝袋當中，例如要收容物品時，若在前述一對片狀壁部間形成空間，就會對前述第一線狀熔接部與前述第二線狀熔接部的連結部分施加負荷，有時會發生前述包裝袋的破損，例如，以該連結部分為起點而在前述第一線狀熔接部及前述第二線狀熔接部的至少一方發生剝離，或是前述包裝袋以該連結部分為起點而斷開等。 However, if a space is formed between the pair of sheet-like wall portions as in the above-mentioned packaging bag, for example, when an article is to be contained, the connection portion between the first linear welding portion and the second linear welding portion is applied. load, the packaging bag may be damaged, for example, peeling occurs at at least one of the first linear welding portion and the second linear welding portion starting from the connecting portion, or the packaging bag is The connection portion is disconnected as a starting point, and the like.

因此，本發明之課題在於提供一種能夠抑制包裝袋以第一線狀熔接部與第二線狀熔接部的連結部分為起點而破損的包裝袋。 Therefore, the subject of this invention is to provide the packaging bag which can suppress the damage of a packaging bag starting from the connection part of a 1st linear welding part and a 2nd linear welding part.

本發明之包裝袋係具備： The packaging bag of the present invention has:

彼此相對向的一對片狀壁部；被折入該一對片狀壁部之間的片狀襠片部；以及可將物品收容在前述一對片狀壁部間的開口部，且 a pair of sheet-like wall portions facing each other; a sheet-like crotch portion folded between the pair of sheet-like wall portions; and an opening portion capable of accommodating articles between the pair of sheet-like wall portions, and

前述片狀襠片部係具備在前述一對片狀壁部之間被對折時會相對向的一對對向部，其中， The sheet-like crotch portion is provided with a pair of opposing portions that face each other when folded in half between the pair of sheet-like wall portions, wherein,

前述包裝袋具備：第一線狀熔接部，係前述一對片狀壁部的端緣與前述一對對向部的端緣被熔接成線狀而形成；以及與前述第一線狀熔接部連 續地形成的第二線狀熔接部，該第二線狀熔接部係前述一對片狀壁部的端緣當中不形成前述第一線狀熔接部的部分彼此被熔接成線狀而形成， The packaging bag includes: a first linear welding part formed by welding the end edges of the pair of sheet-like wall parts and the end edges of the pair of opposing parts in a linear shape; and the first linear welding part even A second linear welded portion formed continuously, the second linear welded portion is formed by welding a portion of the end edges of the pair of sheet-like wall portions where the first linear welded portion is not formed to each other in a linear shape,

在前述第一線狀熔接部附近，前述一方的片狀壁部與前述一方的對向部的對峙面彼此接合，並且，前述一對對向部的對峙面彼此接合，並且，前述另一方的片狀壁部與前述另一方的對向部的對峙面彼此接合而形成第一補強部， In the vicinity of the first linear welded portion, the opposing surfaces of the one sheet-like wall portion and the one opposing portion are joined to each other, and the opposing surfaces of the pair of opposing portions are joined to each other, and the other of the opposing portions is joined to each other. The opposing surfaces of the sheet-like wall portion and the other opposing portion are joined to each other to form a first reinforcing portion,

在前述第二線狀熔接部附近，前述一對片狀壁部的對峙面彼此接合而形成第二補強部， In the vicinity of the second linear welding portion, the opposing surfaces of the pair of sheet-like wall portions are joined to each other to form a second reinforcing portion,

第一補強部與第二補強部相連而形成補強區域。 The first reinforcement part is connected with the second reinforcement part to form a reinforcement area.

根據該構成，形成在第一線狀熔接部附近的第一補強部與形成在第二線狀熔接部附近的第二補強部相連而形成補強區域，藉此，從開口部將物品收容在一對片狀壁部之間時，可抑制對第一線狀熔接部與第二線狀熔接部的連結部分施加負荷。藉此，可抑制包裝袋以第一線狀熔接部與第二線狀熔接部的連結部分為起點而破損。 According to this configuration, the first reinforcing portion formed in the vicinity of the first linear welding portion and the second reinforcing portion formed in the vicinity of the second linear welding portion are connected to form a reinforcing region, whereby articles are accommodated in a Between the sheet-like wall portions, it is possible to suppress the application of a load to the connection portion of the first linear welded portion and the second linear welded portion. Thereby, the packaging bag can be prevented from being damaged from the connection portion of the first linear welding portion and the second linear welding portion as a starting point.

前述第一補強部亦可沿著前述第一線狀熔接部形成帶狀， The first reinforcing portion can also be formed into a strip along the first linear welding portion,

前述第一補強部與前述第一線狀熔接部亦可形成大致相同的長度。 The first reinforcing portion and the first linear welding portion may have substantially the same length.

根據該構成，帶狀的第一補強部與第一線狀熔接部形成大致相同的長度，藉此可更有效的抑制一對對向部的端緣彼此在第一線狀熔接部當中剝離。 According to this configuration, the strip-shaped first reinforcing portion and the first linear welding portion have substantially the same length, thereby more effectively suppressing peeling of the end edges of the pair of opposing portions in the first linear welding portion.

前述第一補強部亦可與前述第一線狀熔接部相鄰而形成，前述第二補強部亦可與前述第二線狀熔接部相鄰而形成。 The first reinforcing portion may be formed adjacent to the first linear welding portion, and the second reinforcing portion may be formed adjacent to the second linear welding portion.

根據該構成，與第一線狀熔接部相鄰而形成第一補強部，與第二線狀熔接部相鄰而形成第二補強部，藉此，從開口部將物品收容在一對片狀壁部之間時，可更有效的抑制對第一線狀熔接部與第二線狀熔接部的連結部分施加負荷。藉此，可更有效的抑制包裝袋以第一線狀熔接部與第二線狀熔接部的連結部分為起點而破損。 According to this configuration, the first reinforcing portion is formed adjacent to the first linear welded portion, and the second reinforcing portion is formed adjacent to the second linear welded portion, whereby articles are accommodated in the pair of sheet-shaped portions through the opening. Between the wall parts, it is possible to more effectively suppress the application of a load to the connection portion of the first linear welded portion and the second linear welded portion. Thereby, the packaging bag can be more effectively suppressed from being damaged from the connection portion of the first linear welding portion and the second linear welding portion as a starting point.

前述補強區域亦可沿著前述第一線狀熔接部及前述第二線狀熔接部形成帶狀， The reinforcing region can also be formed into a strip along the first linear welding portion and the second linear welding portion,

前述補強區域的寬度亦可為1mm至10mm。 The width of the aforementioned reinforcement area may also be 1 mm to 10 mm.

根據該構成，帶狀的補強區域的寬度為上述範圍，藉此，從開口部將物品收容在一對片狀壁部之間時，可更有效的抑制對第一線狀熔接部與第二線狀熔接部的連結部分施加負荷。藉此，可更有效的抑制包裝袋以第一線狀熔接部與第二線狀熔接部的連結部分為起點而破損。 According to this configuration, when the width of the belt-shaped reinforcing region is within the above-mentioned range, when the article is accommodated between the pair of sheet-shaped wall portions from the opening portion, it is possible to more effectively suppress the interference between the first linear welded portion and the second linear welded portion. A load is applied to the connection portion of the linear welded portion. Thereby, the packaging bag can be more effectively suppressed from being damaged from the connection portion of the first linear welding portion and the second linear welding portion as a starting point.

根據本發明之包裝袋，可抑制包裝袋以第一線狀熔接部與第二線狀熔接部的連結部分為起點而破損。 According to the packaging bag of the present invention, the packaging bag can be prevented from being damaged from the connection portion of the first linear welding portion and the second linear welding portion as a starting point.

1:包裝袋 1: packing bag

1a:底部 1a: Bottom

1b:開口部 1b: Opening

1c:第一線狀熔接部 1c: The first linear welding part

1d:第二線狀熔接部 1d: Second linear welding part

1e:第一補強部 1e: The first reinforcement

1f:第二補強部 1f: Second reinforcement

1g:補強區域 1g: Reinforcing area

2,3:片狀壁部 2,3: sheet wall

2a,3a:壁部端緣 2a, 3a: Wall edge

2b,3b:壁部側端緣 2b, 3b: Wall side edge

4:孔 4: Hole

5:切斷輔助線 5: Cut off the auxiliary line

6:片狀襠片部 6: Sheet crotch part

6a:稜線部 6a: Ridge line

7,8:對向部 7,8: Opposite part

7a,8a:襠片端緣 7a, 8a: The edge of the crotch piece

7b,8b:襠片側端緣 7b, 8b: Side edge of crotch panel

圖1是沿著一對片狀壁部的相對向方向觀察本發明之一實施形態的包裝袋的平面圖。 Fig. 1 is a plan view of a packaging bag according to an embodiment of the present invention as viewed along the opposing direction of a pair of sheet-like wall portions.

圖2是從圖1的相反側觀察該實施形態之包裝袋的平面圖。 Fig. 2 is a plan view of the packaging bag of this embodiment viewed from the opposite side of Fig. 1 .

圖3是圖1的I-I剖面圖。 FIG. 3 is an I-I sectional view of FIG. 1 .

圖4是打開該實施形態之包裝袋的狀態的剖面圖。 Fig. 4 is a cross-sectional view of a state in which the packaging bag of the embodiment is opened.

圖5是沿著一對片狀壁部的相對向方向觀察本發明之另一實施形態的包裝袋的平面圖。 Fig. 5 is a plan view of a packaging bag according to another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖6是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 6 is a plan view of the packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖7是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 7 is a plan view of the packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖8是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 8 is a plan view of a packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖9是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 9 is a plan view of the packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖10是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 10 is a plan view of a packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖11是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 11 is a plan view of the packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

圖12是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 12 is a plan view of the packaging bag according to still another embodiment of the present invention as viewed along the opposing direction of a pair of sheet-like wall portions.

圖13是沿著一對片狀壁部的相對向方向觀察本發明之再一實施形態的包裝袋的平面圖。 Fig. 13 is a plan view of the packaging bag according to still another embodiment of the present invention as viewed in the opposing direction of a pair of sheet-like wall portions.

以下，針對本發明之一實施形態，一面參照圖面，一面加以說明。此外，以下的圖面當中，在相同或相當的部分附上相同的參照符號，不再重複其說明。並且，以下的說明當中，所謂第一方向是各圖面的座標軸當中沿著x軸的方向，所謂與第一方向交叉的第二方向是各圖面的座標軸當中沿著y軸的方向。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In addition, in the following drawings, the same reference numerals are attached to the same or corresponding parts, and the description thereof will not be repeated. In the following description, the first direction refers to the direction along the x-axis among the coordinate axes of each drawing, and the second direction intersecting the first direction refers to the direction along the y-axis among the coordinate axes of each drawing.

本實施形態之包裝袋1是如圖1至圖3所示，使用片材而形成。並且，包裝袋1在第一方向當中的一端側具備底部1a，在第一方向當中的另一端側具備開口部1b。 The packaging bag 1 of the present embodiment is formed using a sheet as shown in FIGS. 1 to 3 . Moreover, the packaging bag 1 is provided with the bottom part 1a in the one end side in the 1st direction, and has the opening part 1b in the other end side in the 1st direction.

包裝袋1具備彼此相對向的一對片狀壁部2、3。一方的片狀壁部2具備：在第一方向的兩端的位置朝第二方向延伸的一對壁部端緣2a、2a；以及連結一對壁部端緣2a、2a的兩端彼此的一對壁部側端緣2b、2b。並且，另一方的片狀壁部3具備：在第一方向的兩端的位置朝第二方向延伸的一對壁部端緣3a、3a；以及連結一對壁部端緣3a、3a的兩端彼此的一對壁部側端緣3b、3b。本實施形態當中，一對片狀壁部2、3分別在正面觀看時(一對片狀壁部2、3沿著相對向方向觀察時)形成矩形狀(具體而言是第一方向形成長邊的矩形狀)。 The packaging bag 1 includes a pair of sheet-like wall portions 2 and 3 facing each other. One sheet-like wall portion 2 includes a pair of wall portion edge edges 2a, 2a extending in the second direction at both ends in the first direction, and a pair of wall portion edge edges 2a, 2a connecting both ends of each other. On the wall portion side edge 2b, 2b. Further, the other sheet-like wall portion 3 includes a pair of wall portion edge edges 3a, 3a extending in the second direction at both ends in the first direction, and both ends connecting the pair of wall portion edge edges 3a, 3a A pair of wall part side edge 3b, 3b mutually. In the present embodiment, the pair of sheet-like wall portions 2 and 3 respectively form a rectangular shape when viewed from the front (when the pair of sheet-like wall portions 2 and 3 are viewed in the opposite direction) (specifically, the first direction is formed with a long shape). side rectangle).

而且，一對片狀壁部2、3在正面觀看時，在各自的第二方向的兩端側的位置，壁部側端緣2b、3b彼此一致。並且，一對片狀壁部2、3在正面觀看時，在各自的第一方向的一端側的位置，壁部端緣(以下也記載為一方的壁部端緣)2a、3a彼此一致。並且，一方的片狀壁部2的第一方向的長度比另一方的片狀壁部3的第一方向的長度長。因此，比起一方的片狀壁部2之位於第一方向之另一端側的壁部端緣(以下也記載為另一方 的壁部端緣)2a，另一方的片狀壁部3之位於第一方向之另一端側的壁部端緣(以下也記載為另一方的壁部端緣)3a更靠第一方向當中的包裝袋1的一端側。 Moreover, when the pair of sheet-like wall parts 2 and 3 is seen from the front, the wall part side edge edges 2b and 3b correspond to each other at the positions of both end sides in the second direction. Moreover, when the pair of sheet-like wall parts 2 and 3 is viewed from the front, the wall part edges (hereinafter also referred to as one wall part edge) 2a and 3a correspond to each other at the position of one end side in the first direction. In addition, the length in the first direction of the one sheet-like wall portion 2 is longer than the length in the first direction of the other sheet-like wall portion 3 . Therefore, compared with the wall portion edge (hereinafter also referred to as the other side) of the sheet-like wall portion 2 located on the other end side in the first direction the wall portion edge) 2a of the other sheet-like wall portion 3, the wall portion edge (hereinafter also referred to as the other wall portion edge) 3a located on the other end side of the first direction is closer to the middle of the first direction one end side of the packaging bag 1.

又，本實施形態當中，在第一方向當中的一方的片狀壁部2的另一端部(包含另一方的壁部端緣2a的端部)形成有在包裝物品時用來先懸掛該包裝袋1的孔4(用來供另外準備的掛鉤或是桿棒(bar)插通的孔4)。此外，該孔4只要至少設置一個即可，但本實施形態是在第二方向保持間隔設有複數個(具體而言為兩個)。又，本實施形態當中，在第一方向當中的一方的片狀壁部2的另一端部(包含另一方的壁部端緣2a的端部)設有在一方的片狀壁部2的另一方的壁部端緣2a與劃定孔4的內周緣之間朝第一方向延伸的切斷輔助線5(例如打孔線或是半切線(half cut))。藉此，拉扯懸掛在掛勾等的包裝袋1時，一方的片狀壁部2的另一端部(包含另一方的壁部端緣2a的端部)會在切斷輔助線5被部分切斷，因此可從掛勾等簡單的取下包裝袋1。 Moreover, in the present embodiment, the other end portion (including the end portion of the other wall portion edge 2a) of the sheet-like wall portion 2 in the first direction is formed with a package for hanging the package first when the article is packaged. Hole 4 of bag 1 (hole 4 for inserting a hook or bar prepared separately). In addition, although at least one hole 4 may be provided, in this embodiment, a plurality of holes (specifically, two holes) are provided at intervals in the second direction. In addition, in the present embodiment, the other end portion (including the end portion of the other wall portion edge 2a) of the one sheet-like wall portion 2 in the first direction is provided on the other end portion of the one sheet-like wall portion 2 A cutting auxiliary line 5 (for example, a punch line or a half cut) extending in the first direction between the one wall end edge 2a and the inner peripheral edge of the defined hole 4 . As a result, when the packaging bag 1 hung on the hook or the like is pulled, the other end portion of the one sheet-like wall portion 2 (including the end portion of the other wall portion edge 2 a ) is partially cut by the cutting auxiliary line 5 . Therefore, the packaging bag 1 can be easily removed from the hook or the like.

又，包裝袋1除了一對片狀壁部2、3之外，又具備被折入該一對片狀壁部2、3之間的片狀襠片部6。而且，藉由片狀襠片部6形成底部1a。亦即，片狀襠片部6(底部1a)位在第一方向當中的包裝袋1的一端側，開口部1b位在第一方向當中的包裝袋1的另一端側。片狀襠片部6是以全體在對折的狀態被折入一對片狀壁部2、3間的方式形成。 Moreover, the packaging bag 1 is provided with the sheet-like crotch part 6 which is folded between the pair of sheet-like wall parts 2 and 3 in addition to the pair of sheet-like wall parts 2 and 3 . And the bottom part 1a is formed by the sheet-like crotch part 6. FIG. That is, the sheet-like crotch portion 6 (bottom 1a) is located on one end side of the packaging bag 1 in the first direction, and the opening portion 1b is located on the other end side of the packaging bag 1 in the first direction. The sheet-like crotch portion 6 is formed so as to be folded between the pair of sheet-like wall portions 2 and 3 in a state where the whole is folded in half.

並且，片狀襠片部6具備在一對片狀壁部2、3之間被對折時相對向的一對對向部7、8。一方的對向部7具備：在第一方向的兩端的位置朝第二方向延伸的一對襠片端緣7a、7a；以及連結一對襠片端緣7a、 7a的兩端彼此的一對襠片側端緣7b、7b。另一方的對向部8具備：在第一方向的兩端的位置朝第二方向延伸的一對襠片端緣8a、8a；以及連結一對襠片端緣8a、8a的兩端彼此的一對襠片側端緣8b、8b。本實施形態當中，一對對向部7、8分別在正面觀看時形成矩形狀(具體而言是第二方向形成長邊的矩形狀)。 Moreover, the sheet-like crotch part 6 is provided with a pair of opposing parts 7 and 8 which oppose when it is folded in half between a pair of sheet-like wall parts 2 and 3 . One opposing portion 7 includes a pair of crotch panel edge edges 7a, 7a extending in the second direction at both ends in the first direction, and a pair of crotch panel edge edges 7a, 7a for connecting A pair of crotch panel side edge 7b, 7b at both ends of 7a. The other opposing portion 8 includes: a pair of crotch panel edges 8a, 8a extending in the second direction at both ends in the first direction; and a pair of crotch panel edges 8a, 8a connecting both ends of the pair of crotch panel edges Sheet side edge 8b, 8b. In the present embodiment, the pair of opposing portions 7 and 8 are each formed in a rectangular shape (specifically, a rectangular shape in which the long side is formed in the second direction) when viewed from the front.

而且，一方的片狀壁部2的一方的壁部端緣2a與一方的對向部7的一方的襠片端緣7a連結。並且，另一方的片狀壁部3的一方的壁部端緣3a與另一方的對向部8的一方的襠片端緣8a連結。並且，藉由一方的對向部7的另一方的襠片端緣7a與另一方的對向部8的另一方的襠片端緣8a形成朝第二方向延伸的稜線部6a。而且，在正面觀看時，一方的對向部7的一對襠片側端緣7b、7b與一方的片狀壁部2的一對壁部側端緣2b、2b及另一方的片狀壁部3的一對壁部側端緣3b、3b一致。 And the one wall part edge 2a of the one sheet-like wall part 2 and the one crotch panel edge 7a of the one opposing part 7 are connected. And the one wall part edge 3a of the other sheet-like wall part 3 is connected to the one crotch panel edge 8a of the other opposing part 8. And the ridgeline part 6a extended in the second direction is formed by the other crotch piece edge 7a of the one opposing part 7 and the other crotch piece edge 8a of the other opposing part 8. Furthermore, when viewed from the front, the pair of crotch-side edge edges 7b and 7b of the one opposing portion 7, the pair of wall-part side edge edges 2b and 2b of the one sheet-like wall portion 2, and the other sheet-like wall portion A pair of wall part side edge 3b, 3b of 3 correspond.

本實施形態的包裝袋1是使用一片片材形成。具體而言是配置成一片片材當中形成一對片狀壁部2、3的區域彼此相對向，而形成一對片狀壁部2、3，形成片狀襠片部6的區域係被折入一對片狀壁部2、3間而形成片狀襠片部6。 The packaging bag 1 of the present embodiment is formed using a single sheet. Specifically, in one sheet, the regions where the pair of sheet-like wall portions 2 and 3 are formed face each other, the pair of sheet-like wall portions 2 and 3 are formed, and the region where the sheet-like crotch portion 6 is formed is folded. The sheet-like crotch portion 6 is formed between the pair of sheet-like wall portions 2 and 3 .

並且，包裝袋1具備一對片狀壁部2、3的端緣與一對對向部7、8的端緣被熔接成線狀而形成的第一線狀熔接部1c。具體而言，一對片狀壁部2、3的至少一方(本實施形態為雙方)的壁部側端緣2b、3b的一部份與一對對向部7、8的至少一方(本實施形態為雙方)的襠片側端緣7b、8b全體被熔接成線狀而形成第一線狀熔接部1c(本實施形態是一對第一線狀熔接部1c、1c)。本實施形態的一對第一線狀熔接部1c、1c形成在 包裝袋1的第二方向的兩端緣。並且，本實施形態的第一線狀熔接部1c形成朝第一方向延伸的直線狀。又，第一線狀熔接部1c以第一方向當中的一端達到第一方向當中的包裝袋1的一端(具體而言是一方的壁部端緣2a、3a)的方式形成。 Moreover, the packaging bag 1 is provided with the 1st linear welding part 1c formed by the edge of a pair of sheet-like wall parts 2 and 3, and the edge of a pair of opposing parts 7 and 8 being welded linearly. Specifically, at least one of the pair of sheet-like wall portions 2 and 3 (both in the present embodiment) has a part of the wall portion side end edges 2b and 3b and at least one of the pair of opposing portions 7 and 8 (the present embodiment). The whole of the crotch panel side edge 7b, 8b of the embodiment is linearly welded to form a first linear welded portion 1c (this embodiment is a pair of first linear welded portions 1c, 1c). The pair of first linear welding portions 1c, 1c of the present embodiment are formed in Both ends of the packaging bag 1 in the second direction. Moreover, the 1st linear welding part 1c of this embodiment is formed in the linear shape extended in the 1st direction. Moreover, the 1st linear welding part 1c is formed so that one end in the 1st direction may reach the end (specifically, one wall part edge 2a, 3a) of the packaging bag 1 in the 1st direction.

又，包裝袋1具備一對片狀壁部2、3的端緣當中不形成第一線狀熔接部1c的部分彼此熔接成線狀而形成的第二線狀熔接部1d。具體而言，一對片狀壁部2、3的至少一方(本實施形態為雙方)的壁部側端緣2b、3b當中不形成第一線狀熔接部1c的部分彼此被熔接成線狀而形成第二線狀熔接部1d(本實施形態為一對第二線狀熔接部1d、1d)。本實施形態的一對第二線狀熔接部1d、1d形成在包裝袋1的第二方向的兩端緣。又，本實施形態的第二線狀熔接部1d形成朝第一方向延伸的直線狀。又，第二線狀熔接部1d在第一方向當中形成在比第一線狀熔接部1c更靠開口部1b側。又，第二線狀熔接部1d是與第一線狀熔接部1c連續地形成。具體而言，第二線狀熔接部1d的第一線狀熔接部1c側的一端部與第一線狀熔接部1c的另一端部連結。並且，以第二線狀熔接部1d的另一端部(和第一線狀熔接部1c分開之側的端部)達到開口部1b的方式形成。 Moreover, the packaging bag 1 is provided with the 2nd linear fusion part 1d formed by fusion|melting linearly the part which does not form the 1st linear fusion part 1c among the edge edges of a pair of sheet-like wall parts 2 and 3 mutually. Specifically, among the wall-portion side edge edges 2b and 3b of at least one (both in the present embodiment) of the pair of sheet-like wall portions 2 and 3, the portions where the first linear welding portion 1c is not formed are welded to each other in a linear shape. And 1 d of 2nd linear fusion parts (this embodiment is a pair of 2nd linear fusion part 1d, 1d) are formed. The pair of second linear welding portions 1d and 1d of the present embodiment are formed on both end edges of the packaging bag 1 in the second direction. Moreover, the 2nd linear welding part 1d of this embodiment is formed in the linear shape extended in the 1st direction. Moreover, the 2nd linear welding part 1d is formed in the opening part 1b side rather than the 1st linear welding part 1c in a 1st direction. Moreover, the 2nd linear welding part 1d is formed continuously with the 1st linear welding part 1c. Specifically, one end portion of the second linear weld portion 1d on the side of the first linear weld portion 1c is connected to the other end portion of the first linear weld portion 1c. And it is formed so that the other end part (end part on the side which is spaced apart from the 1st linear welding part 1c) of the 2nd linear welding part 1d may reach the opening part 1b.

又，包裝袋1中，在第一線狀熔接部1c附近，一方的片狀壁部2與一方的對向部7的對峙面彼此接合，並且，一對對向部7、8的對峙面彼此接合，並且，另一方的片狀壁部3與另一方的對向部8的對峙面彼此接合，而形成第一補強部1e。該第一補強部1e至少形成在一方(本實施形態為雙方)的第一線狀熔接部1c附近。並且，本實施形態的第一補強部1e是與第一線狀熔接部1c相鄰而形成。又，第一補強部1e沿著第一線 狀熔接部1c形成帶狀。又，帶狀的第一補強部1e形成至少與第一線狀熔接部1c相同的長度。 Moreover, in the packaging bag 1, in the vicinity of the first linear welding portion 1c, the opposing surfaces of one sheet-like wall portion 2 and one opposing portion 7 are joined to each other, and the opposing surfaces of the pair of opposing portions 7, 8 They are joined to each other, and the opposing surfaces of the other sheet-like wall portion 3 and the other opposing portion 8 are joined to each other to form the first reinforcing portion 1e. The first reinforcement portion 1e is formed in the vicinity of at least one (both in the present embodiment) of the first linear welded portion 1c. Moreover, the 1st reinforcement part 1e of this embodiment is formed adjacent to the 1st linear welding part 1c. Moreover, the 1st reinforcement part 1e is along the 1st line The welded portion 1c is formed into a strip shape. Moreover, the strip|belt-shaped 1st reinforcement part 1e is formed in at least the same length as the 1st linear welding part 1c.

又，包裝袋1中，在第二線狀熔接部1d附近，一對片狀壁部2、3的對峙面彼此接合而形成第二補強部1f。該第二補強部1f至少形成在一方(本實施形態為雙方)的第二線狀熔接部1d附近。又，本實施形態的第二補強部1f是與第二線狀熔接部1d相鄰而形成。又，第二補強部1f僅形成在第二線狀熔接部1d的第一線狀熔接部1c側的一端部附近。 Moreover, in the packaging bag 1, in the vicinity of the 2nd linear welding part 1d, the opposing surfaces of a pair of sheet-like wall parts 2 and 3 are mutually joined, and the 2nd reinforcement part 1f is formed. The second reinforcing portion 1f is formed in the vicinity of at least one (both in the present embodiment) of the second linear welding portion 1d. Moreover, the 2nd reinforcement part 1f of this embodiment is formed adjacent to the 2nd linear welding part 1d. In addition, the second reinforcement portion 1f is formed only in the vicinity of one end portion of the second linear weld portion 1d on the side of the first linear weld portion 1c.

而且，第一補強部1e與第二補強部1f相連而形成補強區域1g。本實施形態的補強區域1g沿著第一線狀熔接部1c及第二線狀熔接部1d形成帶狀。就帶狀的補強區域1g的寬度而言，沒有特別的限定，例如可為1至10mm，亦可為2至5mm。又，第一方向當中的補強區域1g的一端部(具體而言為第一補強部1e側的端部)係(本實施形態是以達到的方式)形成於第一方向當中的包裝袋1的一端緣(具體而言為一對片狀壁部2、3的一方的壁部端緣2a、3a)附近。又，第一方向當中的補強區域1g的另一端部(第二補強部1f側的端部)較佳為從第一補強部1e開始沿著第二線狀熔接部1d形成在3至10mm的位置，以形成在4至8mm的位置更佳。 And the 1st reinforcement part 1e is connected with the 2nd reinforcement part 1f, and the reinforcement area|region 1g is formed. The reinforcing region 1g of the present embodiment is formed into a belt shape along the first linear weld portion 1c and the second linear weld portion 1d. The width of the belt-shaped reinforcing region 1g is not particularly limited, and may be, for example, 1 to 10 mm, or 2 to 5 mm. In addition, one end of the reinforcement region 1g in the first direction (specifically, the end on the side of the first reinforcement part 1e) is (this embodiment is achieved) formed in the packaging bag 1 in the first direction. One end edge (specifically, the vicinity of one wall part end edge 2a, 3a of the pair of sheet-like wall parts 2, 3). Further, the other end portion (the end portion on the second reinforcing portion 1f side) of the reinforcing region 1g in the first direction is preferably formed at a distance of 3 to 10 mm from the first reinforcing portion 1e along the second linear welding portion 1d. position, it is better to form in the position of 4 to 8mm.

如上述的第一線狀熔接部1c及第二線狀熔接部1d可透過將形成一對片狀壁部2、3及片狀襠片部6的片材(具體而言為樹脂膜等)熔斷接著而形成。並且，補強區域1g(具體而言為第一補強部1e及第二補強部1f)可透過利用熱封機(heat seal bar)等將形成一對片狀壁部2、3及片狀襠片部6的片材(具體而言為樹脂膜等)熔接而形成。 As described above, the first linear welded portion 1c and the second linear welded portion 1d can pass through the sheet (specifically, a resin film or the like) that will form the pair of sheet-like wall portions 2 and 3 and the sheet-like crotch portion 6 Fusing is then formed. In addition, the reinforcement region 1g (specifically, the first reinforcement portion 1e and the second reinforcement portion 1f) can be formed by forming a pair of sheet-like wall portions 2 and 3 and a sheet-like crotch panel by using a heat seal bar or the like. The sheet (specifically, a resin film or the like) of the portion 6 is formed by welding.

在如上述方式構成的包裝袋1中，可從形成在第一方向當中的另一端側的開口部1b將物品(未圖示)收容在一對片狀壁部2、3間的收容空間。就該物品而言，沒有特別的限定，例如可列舉重疊的複數片土司等的食品、或是食品以外的物品。要將物品收容在包裝袋1時，是使一對片狀壁部2、3相對向地(圖3的z軸方向)隔離，同時從開口部1b將物品***一對片狀壁部2、3間，如圖4所示，將片狀襠片部6展開而形成底部1a。接下來，在比起包裝袋1內的物品更靠開口部1b側的位置將包裝袋1束緊或是密封，藉此封住收容空間。 In the packaging bag 1 configured as described above, articles (not shown) can be accommodated in the accommodation space between the pair of sheet-like wall portions 2 and 3 from the opening 1b formed on the other end side in the first direction. Although this article is not particularly limited, for example, food items such as a plurality of pieces of toast stacked on top of each other, and items other than food items are exemplified. When an article is to be accommodated in the packaging bag 1, the pair of sheet-like wall portions 2, 3 are separated from each other so as to face each other (z-axis direction in FIG. 3), and the article is inserted into the pair of sheet-like wall portions 2, 3 through the opening 1b at the same time. 3, as shown in FIG. 4, the sheet-like crotch part 6 is unfolded, and the bottom part 1a is formed. Next, the packaging bag 1 is tightened or sealed at a position closer to the opening 1b side than the articles in the packaging bag 1, thereby sealing the storage space.

如以上，本實施形態之包裝袋1可抑制包裝袋1以第一線狀熔接部1c與第二線狀熔接部1d的連結部分為起點而破損。 As described above, the packaging bag 1 of the present embodiment can prevent the packaging bag 1 from being damaged from the connection portion of the first linear welding portion 1c and the second linear welding portion 1d as a starting point.

亦即，形成在第一線狀熔接部1c附近的第一補強部1e與形成在第二線狀熔接部1d附近的第二補強部1f相連而形成補強區域1g，藉此，從開口部1b將物品收容在一對片狀壁部2、3之間時，可抑制對第一線狀熔接部1c與第二線狀熔接部1d的連結部分施加負荷。藉此，可抑制包裝袋1以第一線狀熔接部1c與第二線狀熔接部1d的連結部分為起點而破損。 That is, the first reinforcement portion 1e formed in the vicinity of the first linear welded portion 1c is connected to the second reinforcement portion 1f formed in the vicinity of the second linear welded portion 1d to form a reinforcement region 1g, whereby the opening portion 1b When an article is accommodated between the pair of sheet-like wall portions 2 and 3, it is possible to suppress the application of a load to the connection portion of the first linear welding portion 1c and the second linear welding portion 1d. Thereby, it can suppress that the packaging bag 1 is damaged from the connection part of the 1st linear welding part 1c and the 2nd linear welding part 1d as a starting point.

又，帶狀的第一補強部1e與第一線狀熔接部1c形成大致相同的長度，藉此可更有效的抑制一對對向部7、8的端緣彼此在第一線狀熔接部1c當中剝離。 In addition, the strip-shaped first reinforcing portion 1e and the first linear welding portion 1c have substantially the same length, thereby more effectively suppressing the end edges of the pair of opposing portions 7 and 8 from being in the first linear welding portion. 1c is peeled off.

又，與第一線狀熔接部1c相鄰而形成第一補強部1e，與第二線狀熔接部1d相鄰而形成第二補強部1f，藉此，從開口部1b將物品收容在一對片狀壁部2、3之間時，可更有效的抑制對第一線狀熔接部1c與 第二線狀熔接部1d的連結部分施加負荷。藉此，可更有效的抑制包裝袋1以第一線狀熔接部1c與第二線狀熔接部1d的連結部分為起點而破損。 Furthermore, the first reinforcing portion 1e is formed adjacent to the first linear welding portion 1c, and the second reinforcing portion 1f is formed adjacent to the second linear welding portion 1d, thereby allowing articles to be accommodated through the opening 1b. Between the sheet-like wall portions 2 and 3, the contact between the first linear welded portion 1c and the A load is applied to the connection portion of the second linear welded portion 1d. Thereby, the packaging bag 1 can be more effectively suppressed from being damaged from the connection portion of the first linear welding portion 1c and the second linear welding portion 1d as a starting point.

並且，帶狀的補強區域1g的寬度為上述範圍，藉此，從開口部1b將物品收容在一對片狀壁部2、3之間時，可更有效的抑制對第一線狀熔接部1c與第二線狀熔接部1d的連結部分施加負荷。藉此，可更有效的抑制包裝袋1以第一線狀熔接部1c與第二線狀熔接部1d的連結部分為起點而破損。 Furthermore, when the width of the belt-shaped reinforcing region 1g is within the above-mentioned range, when the article is accommodated between the pair of sheet-shaped wall portions 2 and 3 from the opening portion 1b, the first linear welding portion can be more effectively suppressed. A load is applied to the connection portion of 1c and the second linear welded portion 1d. Thereby, the packaging bag 1 can be more effectively suppressed from being damaged from the connection portion of the first linear welding portion 1c and the second linear welding portion 1d as a starting point.

此外，本發明之包裝袋並不限於上述實施形態，而可在不脫離本發明之要旨的範圍進行各種變更。並且，當然亦可任意採用上述及下述複數個實施形態的構成或方法等並加以組合(將一個實施形態的構成或方法等使用於另一實施形態的構成或方法等)。 In addition, the packaging bag of this invention is not limited to the said embodiment, Various changes can be added in the range which does not deviate from the summary of this invention. And of course, it is also possible to arbitrarily adopt and combine the structures, methods, etc. of the above-mentioned and following plural embodiments (the structures or methods of one embodiment are used for the structures or methods of another embodiment).

例如，上述實施形態當中，一方的片狀壁部2的一對壁部側端緣2b、2b及另一方的片狀壁部3的一對壁部側端緣3b、3b是形成朝第一方向延伸的直線狀，但是不限於此，例如亦可如圖5所示，使第一方向的一端側的部分形成相對於第一方向傾斜的直線狀，且使第一方向的另一端側的部分形成沿著第一方向延伸的直線狀。在該情況，係在相對於第一方向傾斜的部分形成第一線狀熔接部1c，在沿著第一方向延伸的部分形成第二線狀熔接部1d。 For example, in the above-described embodiment, the pair of wall-part side end edges 2b and 2b of one sheet-like wall part 2 and the pair of wall-part-side end edges 3b and 3b of the other sheet-like wall part 3 are formed to face the first Although the linear shape extending in the direction is not limited to this, for example, as shown in FIG. A portion is formed in a linear shape extending along the first direction. In this case, the first linear welding portion 1c is formed at a portion inclined with respect to the first direction, and the second linear welding portion 1d is formed at a portion extending along the first direction.

又，上述實施形態的補強區域1g是形成朝第一方向延伸的帶狀，但是不限於此，例如亦可如圖6、7所示，僅形成在第一線狀熔接部1c與第二線狀熔接部1d的連結部分附近。在該情況，補強區域1g的外周形狀可為多角形，亦可如圖8、9所示，一部份為圓弧狀。 In addition, the reinforcing region 1g in the above-described embodiment is formed in a strip shape extending in the first direction, but it is not limited to this. For example, as shown in FIGS. 6 and 7 , it may be formed only on the first linear weld portion 1c and the second line in the vicinity of the connecting portion of the welded portion 1d. In this case, the outer peripheral shape of the reinforcement region 1g may be polygonal, and as shown in FIGS. 8 and 9 , may be partially arcuate.

又，上述實施形態當中，補強區域1g的一端部(第一線狀熔接部1c側的端部)是以達到包裝袋1的第一方向的一端的方式形成，但是不限於此，亦可如例如圖10、11所示，形成在和包裝袋1的第一方向的一端分開的位置(例如分開1mm至4mm左右的位置)。 Furthermore, in the above-described embodiment, one end of the reinforcing region 1g (the end on the side of the first linear welded portion 1c) is formed so as to reach one end in the first direction of the packaging bag 1, but it is not limited to this, and may be as follows For example, as shown in FIGS. 10 and 11 , it is formed at a position separated from one end of the packaging bag 1 in the first direction (eg, a position separated by about 1 mm to 4 mm).

又，上述實施形態的補強區域1g是與第一線狀熔接部1c及第二線狀熔接部1d相鄰而形成，但是不限於此，亦可如例如圖12、13所示，形成在和第一線狀熔接部1c及第二線狀熔接部1d分開的位置(例如分開1mm至4mm左右的位置)。 In addition, the reinforcing region 1g in the above-described embodiment is formed adjacent to the first linear welding portion 1c and the second linear welding portion 1d, but it is not limited to this, and may be formed in and A position at which the first linear welding portion 1c and the second linear welding portion 1d are separated (for example, a position separated by about 1 mm to 4 mm).

又，上述實施形態的包裝袋1是由一片片材構成，但是不限於此，亦可由例如一對片狀壁部2、3及片狀襠片部為分離的片材構成。 Moreover, although the packaging bag 1 of the said embodiment consists of a sheet material, it is not limited to this, For example, a pair of sheet-like wall portions 2 and 3 and a sheet-like crotch portion may be formed of separate sheets.

1:包裝袋 1: packing bag

1a:底部 1a: Bottom

1b:開口部 1b: Opening

1c:第一線狀熔接部 1c: The first linear welding part

1d:第二線狀熔接部 1d: Second linear welding part

1e:第一補強部 1e: The first reinforcement

1f:第二補強部 1f: Second reinforcement

1g:補強區域 1g: Reinforcing area

2,3:片狀壁部 2,3: sheet wall

2a,3a:壁部端緣 2a, 3a: Wall edge

3b:壁部側端緣 3b: Wall side edge

4:孔 4: Hole

5:切斷輔助線 5: Cut off the auxiliary line

6:片狀襠片部 6: Sheet crotch part

6a:稜線部 6a: Ridge line

8a:襠片端緣 8a: The edge of the crotch piece

8b:襠片側端緣 8b: Side edge of crotch panel

Claims (4)

一種包裝袋，係具備：彼此相對向的一對片狀壁部；被折入該一對片狀壁部之間的片狀襠片部；以及可將物品收容在前述一對片狀壁部間的開口部，且 A packaging bag is provided with: a pair of sheet-like wall portions facing each other; a sheet-like crotch portion folded between the pair of sheet-like wall portions; and articles can be accommodated in the pair of sheet-like wall portions the opening between the 前述片狀襠片部係具備在前述一對片狀壁部之間被對折時會相對向的一對對向部，其中， The sheet-like crotch portion is provided with a pair of opposing portions that face each other when folded in half between the pair of sheet-like wall portions, wherein, 前述包裝袋具備：第一線狀熔接部，係前述一對片狀壁部的端緣與前述一對對向部的端緣被熔接成線狀而形成者；以及與前述第一線狀熔接部連續地形成的第二線狀熔接部，該第二線狀熔接部係前述一對片狀壁部的端緣當中不形成前述第一線狀熔接部的部分彼此被熔接成線狀而形成者， The packaging bag includes: a first linear welding part formed by welding the end edges of the pair of sheet-like wall parts and the end edges of the pair of opposing parts in a linear shape; and the first linear welding part. A second linear welded portion formed continuously, and the second linear welded portion is formed by welding the portions of the end edges of the pair of sheet-like wall portions that do not form the first linear welded portion to each other in a linear shape. By, 在前述第一線狀熔接部附近，前述一方的片狀壁部與前述一方的對向部的對峙面彼此接合，並且，前述一對對向部的對峙面彼此接合，並且，前述另一方的片狀壁部與前述另一方的對向部的對峙面彼此接合，而形成第一補強部， In the vicinity of the first linear welded portion, the opposing surfaces of the one sheet-like wall portion and the one opposing portion are joined to each other, and the opposing surfaces of the pair of opposing portions are joined to each other, and the other of the opposing portions is joined to each other. The opposing surfaces of the sheet-like wall portion and the other opposing portion are joined to each other to form a first reinforcing portion, 在前述第二線狀熔接部附近，前述一對片狀壁部的對峙面彼此接合而形成第二補強部， In the vicinity of the second linear welding portion, the opposing surfaces of the pair of sheet-like wall portions are joined to each other to form a second reinforcing portion, 第一補強部與第二補強部相連而形成補強區域。 The first reinforcement part is connected with the second reinforcement part to form a reinforcement area. 如請求項1所述之包裝袋，其中， The packaging bag as claimed in claim 1, wherein, 前述第一補強部沿著前述第一線狀熔接部形成帶狀， The first reinforcing portion is formed into a belt shape along the first linear welding portion, 前述第一補強部與前述第一線狀熔接部形成大致相同的長度。 The said 1st reinforcement part and the said 1st linear welding part are formed in substantially the same length. 如請求項1或2所述之包裝袋，其中， The packaging bag as claimed in claim 1 or 2, wherein, 前述第一補強部與前述第一線狀熔接部相鄰而形成，前述第二補強部與前述第二線狀熔接部相鄰而形成。 The first reinforcing portion is formed adjacent to the first linear welding portion, and the second reinforcing portion is formed adjacent to the second linear welding portion. 如請求項1或2所述之包裝袋，其中， The packaging bag as claimed in claim 1 or 2, wherein, 前述補強區域沿著前述第一線狀熔接部及前述第二線狀熔接部形成帶狀， The reinforcing region is formed into a strip along the first linear welding portion and the second linear welding portion, 前述補強區域的寬度為1mm至10mm。 The width of the aforementioned reinforcement area is 1 mm to 10 mm.

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