JPS5994042U - Square bottom bag with fused bottom plate - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は筒状素材の要部を示す斜視図、第２図は底面の
一部切欠説明図、第３図イは底部の外観斜視図、同図口
は別の実施例を示す底部の外観斜視図である。 符号説明、１・・・・・・筒状素材、２・・・・・・側
面、２ａ・・・・・・折り込み片、３・・・・・・折り
込み部、４・Ｊ・・・・表面、４ａ・・・・・・折り込
み片、５・・・・・・裏面、５ａ・・・・・・折り込み
片、６・・・・・・底板、７，７′・・・・・・熱融着
線、Ａ・・・・・・角底部、Ｂ・・・・・・底部。Fig. 1 is a perspective view showing the main part of the cylindrical material, Fig. 2 is a partially cutaway explanatory view of the bottom, Fig. 3 A is an external perspective view of the bottom, and the opening of the figure shows another embodiment of the bottom. It is an external perspective view. Description of symbols, 1...Tubular material, 2...Side surface, 2a...Folding piece, 3...Folding part, 4.J... Front surface, 4a...Folding piece, 5...Back surface, 5a...Folding piece, 6...Bottom plate, 7, 7'... Heat fusion wire, A... corner bottom, B... bottom.

Claims (1)

【実用新案登録請求の範囲】 ■　熱接着性合成樹脂フィルムより成る筒状素材１を角
筒状にしたときの両側面２，２の端末部を折り込み片２
ａ、’ｌａに形成し、また表裏両面端末部を折り込み片
４ａ、５ａ龜形成し４つの折り込み片を重ね合はせて成
る角底部Ｂと、該角底部Ｂの内側に於て該底部に接する
ように嵌入した合成樹脂層を有する底板６とを、前記折
り込み片２ａ、　　２ａ、４ａ、５ａに係合する１本又
は複数本の融着線によって一体的に加熱融着されて成る
ことを特徴とする底板を融着した角底袋。 ■　底板６が板紙の表裏両面に合成樹脂を塗着して成る
実用新案登録請求の範囲第０項に記載の底板を融着した
角底袋。 ■　底板６が合成紙から成る実用新案登録請求の範囲第
０項に記載の底板を融着した角底袋。 ■　熱接着性合成樹脂フィルムが紙の表裏両面に合成樹
脂を塗着して成る実用新案登録請求の範囲第０項に記載
の底板を融着した角底袋。 ■　熱接着性合成樹脂フィルムがポリ塩化ビ！−ル、ポ
リエチレン等の熱接着し得る柔軟性Ａｇ。 樹脂フィルムである実用新案登録請求の範囲第０項に記
載の底板を融着した角底袋。[Scope of Claim for Utility Model Registration] ■ When the tubular material 1 made of a heat-adhesive synthetic resin film is made into a square tubular shape, the ends of both sides 2, 2 are folded into the piece 2.
a, 'la, and the front and back terminals are formed into folding pieces 4a and 5a, and a corner bottom B is formed by overlapping four folding pieces, and a corner bottom B is formed on the inside of the corner bottom B. The bottom plate 6 having a synthetic resin layer fitted so as to be in contact with the base plate 6 is integrally heat-fused by one or more fusion wires that engage with the folded pieces 2a, 2a, 4a, and 5a. A square bottom bag with a characteristic bottom plate fused together. (2) A square bottom bag with a fused bottom plate according to claim 0 of the utility model registration, in which the bottom plate 6 is formed by coating synthetic resin on both the front and back sides of paperboard. (2) A square bottom bag with a fused bottom plate as set forth in claim 0 of the utility model registration, in which the bottom plate 6 is made of synthetic paper. (2) A square bottom bag with a fused bottom plate as set forth in claim 0 of the utility model registration, in which a heat-adhesive synthetic resin film is coated with synthetic resin on both the front and back sides of paper. ■ The thermoadhesive synthetic resin film is made of polyvinyl chloride! - Flexible Ag that can be thermally bonded to polyethylene, polyethylene, etc. A square bottom bag having a fused bottom plate according to claim 0 of the utility model registration, which is a resin film.