TWI230135B - Method of manufacturing gusseted plastic bag - Google Patents
Method of manufacturing gusseted plastic bag Download PDFInfo
- Publication number
- TWI230135B TWI230135B TW090103391A TW90103391A TWI230135B TW I230135 B TWI230135 B TW I230135B TW 090103391 A TW090103391 A TW 090103391A TW 90103391 A TW90103391 A TW 90103391A TW I230135 B TWI230135 B TW I230135B
- Authority
- TW
- Taiwan
- Prior art keywords
- bag
- plastic
- tape
- corner
- item
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/06—Handles
- B65D33/065—Integral handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S383/00—Flexible bags
- Y10S383/903—Stress relief
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Making Paper Articles (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Mushroom Cultivation (AREA)
Description
l23〇135
發明領域: 本發明係有關於—#确^ ^ ^ 的塑膠袋,尤装η 種塑膠袋,且特別有關於附有角板 子。' < '、疋通常被稱為了恤袋(T-shirt bag )的袋 習知技術說明: 。丁恤佟已知在美國與其他各地普遍使用的一種袋子 ,以开Λ常以管狀塑膠膜製成,縫上角…合且切除 乂形成在袋子側邊具有提把(handie)的袋子。 卷势i血^的提把係從縫上角板的側邊區域構成。因此, 二:+ ^有物品,且從提把被提起時,相對較大的力量在 ,者 < 向被施加於底部封線以及角板摺疊的結合處。因此 田&子裝有物品,且從提把被提起時,很可能會在這些 結合處扯裂。 一 ,如果一個超負荷的袋子不在角板一底部封線的結合處 裂,則可能在提把扯裂。若提把做得較寬,則可被加強 ’但提把的寬度係限制在角板的寬度,且角板越寬,角板 與底部封線的結合處越弱。 為了克服這些問題,塑膠膜的厚度可增加,或是塑膠 的品質可提昇,但當結合處成比例地加強時,仍然會維持 是袋子最弱的區域。此外,這些方法由於原料的質或量增 加,而產生額外的花費。 另外,當管狀膜縫上角板時,在袋子側邊縫上角板的 區域厚度係為中央之未縫角板區域的兩倍。構成袋子底部 封線的封合裝置必須提供足夠的熱以將角板區域的四層全
1071-3789-PF.ptd 第4頁 1230135 五、發明說明(2) 部熔接在一起。這比中央之未縫角板區域所需的埶多。施 加在未縫角板部的過量熱造成弱點,特別在角板摺疊與 部封線的結合處的區域。 、- 這個問題的一個可能方法是由降低封合流程的速 增加封合時間。然而,這改變並不能完全解決問題,另 ,由於生產速度降低,而導致最後產品的成本增加。 的主要目的即在於提供一種附有角板 需= 有可相比之結構的袋子較強,且實質上不 ::明的另一目的在於提供一種附有角板的塑膠袋, 其中角板摺疊與封線的結合部不是袋子最弱的區域。 的經ίϊ:的另一特定目的在於提供一種加強習知丁恤袋 的立戽方法,而不需明顯地增加製造成本。 本發明的又一目的在於提供 的既定厚度具有較寬的提把。 ι 塑朦膜 發明概述: 勝袋塑膠膠帶係接合於附有角板的塑 二;:區域,包括或接近於角板摺疊與底部封 或是單-塑膠膠帶被摺加於袋子的相反侧, 地施加在封線/角搞社人"'♦越封線處◊這個效果係將正常 不會首先在兩結合處7區處域的扯力裂咖 易懂為目:、:徵和優點能更明顯 貫鈀例,並配合所附圖式做詳細說 1230135
明0 圖式簡單說明·· _ 第i圖係顯示習知技術T恤袋的正視圖· 第2A圖係顯示沿第1圖之2A —2A剖 所 第2B圖係顯示A则之2b — 2b剖面剖面圖; 第3圖係顯示習知技術中裝滿東西的τ J :剖面圖; 第4圖係顯示第3圖中裝滿東西的Τ恤袋的視圖; 第5圖係顯示根據本發明之了恤袋的正 視圖, 第6圖係顯示第5圖中裝滿東西的^ , 第7圖係用以施加加強膠帶二师視圖, 視平面圖; m子兩側邊之機器的側 第7A圖係如第7圖所示之膠帶施加站的 . 第8圖係如第7圖所示之結構的俯視圖; 卜Γ//帶顯:槿如杳何施加下面的膠帶之分解立體圖,施 加上面的膠帶結構實質上相同; 固她 第1 0圖係結合兩膠帶至梦 圖; 修帶至敕子相反側之裝置的側視剖面 第11圖係顯示用、,攸οι» 側視部分剖面圖; 早一膠帶摺合過袋底的-結構之 第1 2圖係如第1 1 面圖; 圖所示的裝置僅在摺合之前的側視剖 第13圖顯示在腹 12圖的結構; ,帶已被摺過袋的底緣之後第11圖與第 第14圖顯示本發明之另一實施例;
1230135
五、發明說明(6) 第3圖描繪習知技術的τ恤袋, 提起之後。袋子的内容物舍 你衣,兩果西且由扣把2〇 中内容物的重量彦生相黧沾袋子的底部,袋子 合處W g 產生相4的力Sfl與!2,基本上施加在結 :ί;Ϊ =方…’若袋子中的重量過量,這= 處2子最容易失敗(例如扯裂)的區域。 - 子完:=得ί深時,結合處失敗的趨勢會增加。當袋 的中央相接觸時,結合處的區域在封線 佳’因為可以承受較多的重c,,寬的提把較 言,這^提把比較舒,此外’從消費者的角度而 品質:::述:η的強度可由增加膜的厚度或塑膠的 加昇化:的成本。本發明由提供一 量,而、查^ ά ^田、子裝滿物品時傾向將結合處分離的力 示,- 根據本發明,如第5圖與第6圖所 施加於結人产24二六旦子的底部,越過封線14且做為吸收 至30Β。^口帶处的县声计篁。膠帶30係如圖所示從點3〇Α延伸 :間^,長…般而言,二^ 多。換ΐ:外Ϊ有::广強袋子的強度比起膜厚的增加更 24大體二像:!=微米膠帶的15微米袋子在結合處 敗。不像在―處提供相同厚度的30微米袋子容易失
1230135 五、發明說明(9) 畫線的長條42、44係分別經由上下膠帶施加站52與54 移動越過一系列滾輪50。如下所述’膠帶3〇被施加於支樓 於一拖盤56内之Τ恤胚料40的兩侧邊。然後,加強膠帶3〇 移除後的長條42與44被繞著滚輪58傳送且捲入滾輪6〇與62 膠帶的實際施加係如第9圖與第1 0圖所示。第9圖僅描 繞下膠帶施加站54,而上站係為其鏡射影像。 拖盤56包括一切除膠帶施加區域64以及指示邊緣 (registration lip ) 66,對齊Τ恤胚料40,使得下封線 14位於切除區域64内,且當長條42與44傳送經過站52、54 時可使用於膠帶。每一膠帶施加站包括一垂直軌道68,一 壓力頭70在其中垂直移動。壓力頭7〇的區域與單一膠帶3〇 的區域相關,且連接至一往復桿72的末端。長條42斑44的 移動係例如對在拖盤56内一正確地指示的胚料4〇之^學感 測反應,而與胚料40與壓力頭7〇的移動同步。當胚 確 ^被放置時’壓力頭7G係垂直移動於兩站52_内, =與44:壓單一膠帶30,且將其在壓力下封合過底部封 :二。ΐ力頭7〇係以靜電充電較佳,使得他們 移除畫線的膠帶之後,冑㈣傾向於附著在壓 到被施加在袋子上為止❺膠帶3〇可由一壓力 由-熱啟動黏著劑封合至袋子 & ^ 1者劑或 站52與54中會被加熱。予右知用後者’廢力頭70在 堆展在==料4〇的另—侧邊之後,胚料被移除且 诨且 以早備k把的切割。用丨^ ^ ^ 用以疋位胚料40在拖盤56内, 1071-3789-PF.ptd
I^SIH $ 12頁
Claims (1)
1230135 案號90103如1 六、申請專利範圍 年( 曰 修正 1. 一種附有角板的塑膠袋之製法,包括下列步驟: 形成一管狀塑膠捲筒; 區域 將該官狀塑膠捲筒附上角板以形成兩相對的附有角板 加上複數封線越過該附上角板的管狀塑膠捲形成 連績之塑膠袋之頂部及底部; 切割該附上角板的管狀塑膠捲筒以形成複數塑膠袋; 熔接每一塑膠袋之上部,以在每一附有角板區域形成 相對的提把以及該等提把間的一切除區域;以及 以黏著方式加上至少一加強膠帶於該塑膠袋之底部, 該膠帶延伸至該袋的附有角板區域。 2 ·如申請專利範圍第丨項所述之製法,其中加強膠帶 係加在該袋的每一侧。 3.如申請專利範圍第1項所述之製法,其中單一膠帶 係摺疊於該袋的封合端上。 4 ·如申請專利範圍第1項所述之製法,其中該附上角 板的管狀捲筒係在加上該膠帶之前兩端被封合。 5 ·如申請專利範圍第1項所述之製法,其中當該封線 形成時,該加強捲筒係沿該封線熱接合於該袋。 6 ·如申請專利範圍第1項所述之製法,其中在該加強 膠帶被加在該袋的一端之後,提把被切出在該袋的相反 端,以構成一 T恤袋。 1071-3789-pf2.ptc 第15 X 1230 说 103391號圖式修正頁 修正日期·· 93.1Λ9
第2A圖
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50442700A | 2000-02-15 | 2000-02-15 | |
US09/707,758 US6461041B1 (en) | 2000-02-15 | 2000-11-07 | Gussetted plastic bag |
Publications (1)
Publication Number | Publication Date |
---|---|
TWI230135B true TWI230135B (en) | 2005-04-01 |
Family
ID=24843055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW090103391A TWI230135B (en) | 2000-02-15 | 2001-04-03 | Method of manufacturing gusseted plastic bag |
Country Status (39)
Country | Link |
---|---|
US (2) | US6461041B1 (zh) |
EP (2) | EP1731437A1 (zh) |
JP (1) | JP2003525177A (zh) |
CN (1) | CN1197739C (zh) |
AR (1) | AR031839A1 (zh) |
AU (1) | AU774016B2 (zh) |
BG (1) | BG65260B1 (zh) |
BR (1) | BR0108576B1 (zh) |
CA (1) | CA2400035C (zh) |
CO (1) | CO5300451A1 (zh) |
CY (1) | CY1108006T1 (zh) |
CZ (1) | CZ298737B6 (zh) |
DE (1) | DE60126060T2 (zh) |
DK (1) | DK1255678T3 (zh) |
EA (1) | EA003541B1 (zh) |
EE (1) | EE04521B1 (zh) |
EG (1) | EG23414A (zh) |
ES (1) | ES2279803T3 (zh) |
GE (1) | GEP20043381B (zh) |
HK (1) | HK1049819B (zh) |
HR (1) | HRP20020654B1 (zh) |
HU (1) | HU227880B1 (zh) |
IL (1) | IL151015A0 (zh) |
IS (1) | IS2414B (zh) |
MA (1) | MA25252A1 (zh) |
ME (2) | ME00064B (zh) |
MX (1) | MXPA02007898A (zh) |
MY (1) | MY126914A (zh) |
NO (1) | NO325644B1 (zh) |
NZ (1) | NZ520440A (zh) |
PA (1) | PA8511701A1 (zh) |
PE (1) | PE20011172A1 (zh) |
PL (1) | PL201093B1 (zh) |
PT (1) | PT1255678E (zh) |
RS (1) | RS50068B (zh) |
SK (1) | SK286272B6 (zh) |
TW (1) | TWI230135B (zh) |
UA (1) | UA78675C2 (zh) |
WO (1) | WO2001060706A1 (zh) |
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GB2243594B (en) | 1990-04-30 | 1994-08-31 | Alan Frederick Sandy | Disposable containers |
GB2264690A (en) | 1992-03-06 | 1993-09-08 | John Madeley | Gusseted carrier bags |
JP2566662Y2 (ja) * | 1993-08-31 | 1998-03-30 | 株式会社大塚製薬工場 | 密封包装袋 |
US5944189A (en) * | 1996-04-24 | 1999-08-31 | Ferag Ag | Sample bags having thickened regions |
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-
2000
- 2000-11-07 US US09/707,758 patent/US6461041B1/en not_active Expired - Lifetime
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2001
- 2001-02-12 EG EG20010122A patent/EG23414A/xx active
- 2001-02-14 MY MYPI20010662A patent/MY126914A/en unknown
- 2001-02-15 HU HU0300097A patent/HU227880B1/hu not_active IP Right Cessation
- 2001-02-15 BR BRPI0108576-0A patent/BR0108576B1/pt not_active IP Right Cessation
- 2001-02-15 SK SK1183-2002A patent/SK286272B6/sk not_active IP Right Cessation
- 2001-02-15 PL PL356068A patent/PL201093B1/pl unknown
- 2001-02-15 ES ES01910788T patent/ES2279803T3/es not_active Expired - Lifetime
- 2001-02-15 PT PT01910788T patent/PT1255678E/pt unknown
- 2001-02-15 MX MXPA02007898A patent/MXPA02007898A/es active IP Right Grant
- 2001-02-15 MA MA26140A patent/MA25252A1/fr unknown
- 2001-02-15 EP EP06076775A patent/EP1731437A1/en not_active Withdrawn
- 2001-02-15 ME MEP-2008-169A patent/ME00064B/me unknown
- 2001-02-15 EP EP01910788A patent/EP1255678B1/en not_active Expired - Lifetime
- 2001-02-15 NZ NZ520440A patent/NZ520440A/xx not_active IP Right Cessation
- 2001-02-15 EE EEP200200446A patent/EE04521B1/xx not_active IP Right Cessation
- 2001-02-15 CN CNB018048471A patent/CN1197739C/zh not_active Expired - Fee Related
- 2001-02-15 GE GE4869A patent/GEP20043381B/en unknown
- 2001-02-15 CZ CZ20022765A patent/CZ298737B6/cs not_active IP Right Cessation
- 2001-02-15 CO CO01011958A patent/CO5300451A1/es not_active Application Discontinuation
- 2001-02-15 EA EA200200870A patent/EA003541B1/ru not_active IP Right Cessation
- 2001-02-15 UA UA2002086757A patent/UA78675C2/uk unknown
- 2001-02-15 DE DE60126060T patent/DE60126060T2/de not_active Expired - Lifetime
- 2001-02-15 WO PCT/US2001/004971 patent/WO2001060706A1/en active IP Right Grant
- 2001-02-15 CA CA002400035A patent/CA2400035C/en not_active Expired - Lifetime
- 2001-02-15 RS YUP-608/02A patent/RS50068B/sr unknown
- 2001-02-15 PA PA20018511701A patent/PA8511701A1/es unknown
- 2001-02-15 JP JP2001559768A patent/JP2003525177A/ja active Pending
- 2001-02-15 DK DK01910788T patent/DK1255678T3/da active
- 2001-02-15 AR ARP010100700A patent/AR031839A1/es not_active Application Discontinuation
- 2001-02-15 PE PE2001000173A patent/PE20011172A1/es not_active Application Discontinuation
- 2001-02-15 IL IL15101501A patent/IL151015A0/xx not_active IP Right Cessation
- 2001-02-15 ME MEP-169/08A patent/MEP16908A/xx unknown
- 2001-02-15 AU AU38357/01A patent/AU774016B2/en not_active Expired
- 2001-04-03 TW TW090103391A patent/TWI230135B/zh active
- 2001-11-02 US US10/007,985 patent/US6767317B2/en not_active Expired - Lifetime
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2002
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- 2002-08-15 NO NO20023867A patent/NO325644B1/no not_active IP Right Cessation
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