JPH02148947U

JPH02148947U -

Info

Publication number: JPH02148947U
Application number: JP5468489U
Authority: JP
Priority date: 1989-05-13
Filing date: 1989-05-13
Publication date: 1990-12-18

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す斜視図、第２
図は切り口形成具の斜視図、第３図はプラスチツ
クフイルムロールを展開した状態の斜視図、第４
図は切り口を形成するときの作業説明図、第５図
イないしニは切り口の形成例を示す平面図、第６
図および第７図は密封袋の平面図、第８図は密封
袋を開封した状態の平面図である。１…プラスチツクフイルムロール、１ａ…密封
袋、２…巻芯、３…切り口形成具、４…台板、５
…切断刃、６…切り口、７…シール。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a perspective view of the cut forming tool, Figure 3 is a perspective view of the plastic film roll in an unfolded state, and Figure 4 is a perspective view of the cut forming tool.
The figure is an explanatory diagram of the work when forming a cut, Figures 5 A to 2 are plan views showing an example of forming a cut, and Figure 6 is a plan view showing an example of forming a cut.
7 and 7 are plan views of the sealed bag, and FIG. 8 is a plan view of the sealed bag in an opened state. DESCRIPTION OF SYMBOLS 1... Plastic film roll, 1a... Sealing bag, 2... Winding core, 3... Cut edge forming tool, 4... Base plate, 5
…Cutting blade, 6…Cut, 7…Seal.

Claims

[Claim for Utility Model Registration] Plastic film wound into a roll is unfolded and overlapped, and the outer periphery is sealed to form a sealed bag, and a cut is made in the sealed part so that the bag can be opened. A sealed bag made of plastic film, characterized in that a number of cuts of a predetermined depth are formed on the side surface of the plastic film roll, and these cuts serve as the cut ends of the sealed bag.