CN101438004A - 尤其用于标记和封装的防伪纸材料及其制造方法 - Google Patents

尤其用于标记和封装的防伪纸材料及其制造方法 Download PDF

Info

Publication number
CN101438004A
CN101438004A CNA2007800153984A CN200780015398A CN101438004A CN 101438004 A CN101438004 A CN 101438004A CN A2007800153984 A CNA2007800153984 A CN A2007800153984A CN 200780015398 A CN200780015398 A CN 200780015398A CN 101438004 A CN101438004 A CN 101438004A
Authority
CN
China
Prior art keywords
paper
chip
pulp
auxiliary
security
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2007800153984A
Other languages
English (en)
Other versions
CN101438004B (zh
Inventor
费鲁乔·吉尔伯蒂
卢卡·蒙纳塞莉
弗朗西斯科·皮罗拉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gruppo Cordenons S P A
Gruppo Cordenons SpA
Original Assignee
Gruppo Cordenons S P A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gruppo Cordenons S P A filed Critical Gruppo Cordenons S P A
Publication of CN101438004A publication Critical patent/CN101438004A/zh
Application granted granted Critical
Publication of CN101438004B publication Critical patent/CN101438004B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0329—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)

Abstract

一种制造防伪纸材料(1)，尤其用于标记和封装的防伪纸材料的方法，包括由湿的纤维素纤维纸浆形成纸张(2)并且向纸张(2)提供电子芯片(4)；在纸浆向纸的转变步骤期间，将芯片(4)引入所形成的纸张(20)，直接将芯片沉积到湿纸浆中并且将芯片至少部分嵌入纸浆中。可选择地，将辅助纸张(5)结合带有芯片(4)的纸张(2)以便芯片(4)结合到两纸张之间。

Description

尤其用于标记和封装的防伪纸材料及其制造方法
技术领域
本发明涉及防伪纸材料，尤其是用于标记和封装的防伪纸材料以及其制造方法。
背景技术
已知多种所谓的防伪纸，即提供避免可能的欺诈性复制或伪造或检测这些复制或伪造的功能的多种策略；具体地，带有能够输出识别信号的电子芯片的防伪纸是已知的。
已知的防伪纸中，芯片被施用到载体上，然后将其粘贴或固定到之前已形成的纸张上。
这类防伪纸并非没有缺点的，这既因为芯片的施用相对复杂且昂贵，又因为芯片不能被适当地锚定到纸张下方，而且仍旧暴露在纸张的表面上并因此受到可能的损坏，除非芯片涂有保护层，然而该保护层意味着制造工艺的复杂性和成本增加。
发明内容
本发明的目的在于提供一种防伪纸材料，该防伪纸是由带有电子识别芯片的纸张所形成的类型，其没有上述提及的现有技术的缺点；特别地，本发明的目的在于提供一种防伪纸材料，其制造相对简单及经济有效并且芯片被牢固且高效地锚定于纸张上。
因此，本发明涉及一种防伪纸材料，尤其是用于标记和封装，包括带有至少一个电子芯片的纸张，其特征在于在制造纸张的步骤期间，将芯片引入到所形成的纸张中并且该芯片至少部分嵌入该纸张。
根据本发明的优选实施方式，纸材料还包括与该纸张结合的辅助纸张，且芯片被插入两纸张之间。
本发明还涉及制造防伪纸材料，尤其是用于标记和封装的防伪纸材料的方法，包括由湿的纤维素纤维纸浆形成纸张并且向纸张提供电子芯片的步骤，该方法的特征在于在纸浆向纸的转变步骤期间，将芯片引入到所形成的纸张中，该芯片被直接沉积到湿纸浆上并且至少部分嵌入纸浆中。
具体地，本发明的方法提供下述步骤：将湿的纤维素纤维纸浆送料到造纸机，在成形台上沉积该纸浆；和通过逐渐从纸浆中除去水形成一张纸；芯片被直接沉积到成形台上的纸浆中，在所形成的纸张的上侧面。
优选地，通过设置在该成形台上的分配装置将芯片送料并且通过重力使芯片落到纸浆中。
根据优选的实施方式，本发明的方法还包括，在将芯片引入到所形成的纸张步骤后，将辅助纸张与所述纸张结合的步骤；芯片被施用到所形成的纸张的上侧面，并且将辅助纸张结合到该面。
附图说明
参考附图，以下述非限制性实施方式的实例进一步说明本发明，其中：
图1是根据本发明的防伪纸材料的纵截面示意图；
图2是图1的防伪纸材料的制造系统的示意图并且示出该材料的制造方法的主要的步骤。
具体实施方式
参考图1，尤其是用于标记和封装的防伪纸材料包括由纤维素纤维基体3形成并具有至少一个已知类型的电子芯片4的纸张2，该芯片例如主动和/或被动RFID芯片。
芯片4至少部分嵌入纸张2(如图1左侧部分的实线所示)并优选地，芯片4全部嵌入基体3(如图1右侧部分的虚线所示)。
可选择地，纸材料1包括结合到纸张2的辅助纸张5和插入在辅助纸张5和纸张2之间的芯片4。
根据本发明的又一方面，参考图2，该纸材料1有益地通过下述方法所制造，图2示意性地示出纸材料1的制造系统10。
系统10包括长网(Fourdrinier)型连续造纸机11，该造纸机实质上是已知的并且出于简化的目的在此不再详述。一般条件下，造纸机11包括流浆箱12，用于将湿的纤维素纤维纸浆送料到平的成形台13，该成形台具有成形构造14，纸浆被沉积到该成形构造上；造纸机11还包括与成形构造14协作的案辊15、所谓的“湿端”16和干燥器部分17。如所知，湿纸浆中水的循序渐进的减少使纸浆逐渐变成纸张。图2中，所形成的纸张由数字20表示并且一旦干燥就将形成上述纸材料1的纸张2。
在近流浆箱12的成形台13的初始部之后以及案辊15的下游，将分配装置21设置在成形台13上，该分配装置以预定间隔在所形成的纸张20的前进方向以及横向方向上将芯片4沉积到纸浆上。具体地，芯片4通过重力落入成形构造14所承载的纸浆，至所形成的纸张20的上侧面22并且至少部分嵌入纸浆中。
因此在将湿的纤维素纤维纸浆转变成纸的步骤期间，将芯片4引入所形成的纸张20中。
就在分配装置21下游，机构25携带辅助纸张5去接触所形成的纸张20的侧面22并且使后者与辅助纸张5结合。
随后是湿辊步骤，其利用辊组件28进行，该辊组件28设置在湿部16中并且具有诸如两对或更多对平衡的辊对；所形成的纸张20与辅助纸张5湿辊，后者也还是湿的，保证两纸张的粘附。
纸张2的成形以及因此纸材料1的成形通过流经湿端16和干燥器部分17而完成。
根据一个变化，造纸机11没有案辊15并且分配装置21被设置在成形台13上机构25的上游；事实上，因为不需要提高所形成的纸张20(辅助纸张5置于其上)的表面特性，所以与辅助纸张5的结合使得不需要在成形台13上使用案辊15。
根据又一变化，分配装置21被设置在紧邻流纸浆箱12的成形台13的初始部后和案辊15的上游而不是案辊15的下游，如图2中虚线所示。显然，如果没有案辊15，分配装置21被设置在成形台13上，在流纸浆箱12和机构25之间。
本发明的优点从上述说明中显而易见。
本发明的纸材料通过查询结合到材料自身的芯片而允许快速、安全识别。
芯片优选地与该材料结合并且牢固固定到材料内，从而防止可能的损坏。
另外，本发明的纸材料优选地可用提供高印刷质量的常规印刷技术打印。
此外，制造方法简单并且是经济有效的，尤其因为芯片的引入是在制造纸材料的步骤中直接进行。

Claims (8)

1、一种防伪纸材料的制造方法，该纸材料尤其用于标记和包装，包括由湿的纤维素纤维纸浆形成纸张和向所述纸张提供电子芯片的步骤，所述方法的特征在于，在所述纸浆转变成纸的步骤期间，将所述芯片引入所形成的纸张，将所述芯片直接沉积到所述湿纸浆中并且将所述芯片至少部分嵌入所述纸浆中。
2、根据权利要求1所述的方法，其特征在于，包括下述步骤：将所述湿的纤维素纤维纸浆送料到造纸机，在成形台上沉积所述纸浆；和通过逐渐从纸浆中除去水形成一张纸；将所述芯片直接沉积到所述成形台上的所述纸浆中，至所形成的纸张的上侧面。
3、根据权利要求2所述的方法，其特征在于，通过设置在所述成形台上的分配装置将所述芯片送料并且通过重力使所述芯片落入所述纸浆。
4、根据上述权利要求之一所述的方法，其特征在于，包括：在将所述芯片引入所形成的纸张的步骤后，进行将辅助纸张与所述纸张结合的步骤。
5、根据权利要求4所述的方法，其特征在于，将所述芯片施用到所形成的纸张的上侧面并且将所述辅助纸张结合所述面。
6、一种防伪纸材料，尤其用于标记和封装，其特征在于，其通过根据上述权利要求之一所述的方法制造。
7、一种防伪纸材料，尤其用于标记和封装，包括带有至少一个电子芯片的纸张，其特征在于，所述芯片在所述纸张的制造步骤期间被引入所形成的纸张，并且至少部分嵌入所述纸张中。
8、根据权利要求7所述的纸材料，其特征在于，包括：将辅助纸张与所述纸张结合，将芯片插入所述辅助纸张和所述纸张之间。
CN2007800153984A 2006-04-07 2007-04-06 尤其用于标记和封装的防伪纸材料及其制造方法 Expired - Fee Related CN101438004B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI2006A000698 2006-04-07
IT000698A ITMI20060698A1 (it) 2006-04-07 2006-04-07 Materiale cartaceo di sicurezza in particolare per etichettatura e confezionamento e relativo procedimento di fabbricazione
PCT/IB2007/000920 WO2007116296A2 (en) 2006-04-07 2007-04-06 Security paper material, in particular for labelling and packaging, and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN101438004A true CN101438004A (zh) 2009-05-20
CN101438004B CN101438004B (zh) 2011-06-08

Family

ID=38581456

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007800153984A Expired - Fee Related CN101438004B (zh) 2006-04-07 2007-04-06 尤其用于标记和封装的防伪纸材料及其制造方法

Country Status (8)

Country Link
US (1) US8691051B2 (zh)
EP (1) EP2013415B1 (zh)
JP (1) JP2009532594A (zh)
CN (1) CN101438004B (zh)
ES (1) ES2529458T3 (zh)
HK (1) HK1125983A1 (zh)
IT (1) ITMI20060698A1 (zh)
WO (1) WO2007116296A2 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20060698A1 (it) * 2006-04-07 2007-10-08 Gruppo Cordenons Spa Materiale cartaceo di sicurezza in particolare per etichettatura e confezionamento e relativo procedimento di fabbricazione
US10189292B2 (en) * 2015-02-11 2019-01-29 Crane & Co., Inc. Method for the surface application of a security device to a substrate
MX2016012889A (es) * 2016-09-30 2017-03-14 Validation Security Tech Identification S De R L De C V Proceso de produccion de papel con chip integrado, producto asi obtenido y aplicacion del mismo.
DE102017009357A1 (de) * 2017-10-09 2019-04-11 Giesecke+Devrient Currency Technology Gmbh Herstellungsvorrichtung und Herstellverfahren für Sicherheitspapier
FR3080630B1 (fr) * 2018-04-25 2021-10-08 Honnorat Rech & Services Papier de securite avec inserts manuels

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052746A (en) * 1931-10-29 1936-09-01 Beloit Iron Works Paper machine and method of making paper
US2286924A (en) * 1938-01-12 1942-06-16 Int Paper Co Manufacture of sheet material
US2881669A (en) * 1955-03-01 1959-04-14 St Annes Board Mill Co Ltd Paper or board product
US2881072A (en) * 1956-01-17 1959-04-07 Fibrofelt Corp Method of making reinforced multiply paper
US3017317A (en) * 1957-02-12 1962-01-16 Kimberly Clark Co Method of creping tissue and product thereof
GB1365876A (en) 1970-10-20 1974-09-04 Portals Ltd Security paper
JPS513203Y2 (zh) * 1972-02-29 1976-01-30
GB1430760A (en) * 1972-09-09 1976-04-07 Kroyer St Annes Ltd Karl Multi-ply fibrous sheets
IT1105843B (it) * 1978-01-13 1985-11-04 Munari Giovanni Procedimento per la fabbricazione di carta o cartoncino impermeabilizzato e termosaldabile in macchina continua
DE2919649A1 (de) 1979-05-16 1980-11-20 Bbc Brown Boveri & Cie Sicherheitspapier
DE3446861A1 (de) * 1984-12-21 1986-07-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Sicherheitsdokument mit darin eingelagertem sicherheitsfaden und verfahren zur herstellung und echtheitspruefung des sicherheitsdokuments
GB8710428D0 (en) * 1987-05-01 1987-06-03 Beloit Corp Multi-ply web forming apparatus
GB8906275D0 (en) * 1989-03-18 1989-05-04 Beloit Corp Web former
DE19601358C2 (de) 1995-01-20 2000-01-27 Fraunhofer Ges Forschung Papier mit integrierter Schaltung
CA2338661A1 (en) * 1998-07-27 2000-02-10 Siemens Aktiengesellschaft Security paper, method and device for checking the authenticity of documents recorded thereon
WO2001018308A1 (en) * 1999-09-06 2001-03-15 Metso Paper Karlstad Ab Board machine and method of manufacturing a multilayer cardboard web
IT1307819B1 (it) * 1999-12-02 2001-11-19 Perini Navi Spa Metodo e dispositivo per la produzione di carta multistrato erelativo prodotto.
JP2002298118A (ja) 2001-04-02 2002-10-11 Dainippon Printing Co Ltd 非接触方式のタグ部材が漉き込まれてなる用紙
JP3925101B2 (ja) * 2001-04-19 2007-06-06 特種製紙株式会社 偽造防止用シート状物の製造方法
DE10122047A1 (de) * 2001-05-07 2002-11-14 Voith Paper Patent Gmbh Blattbildungsvorrichtung und -verfahren
TW593838B (en) * 2001-06-11 2004-06-21 Sca Hygiene Prod Ab A patterned paper and a method for manufacturing such
FR2827986B1 (fr) * 2001-07-30 2004-04-02 Arjo Wiggins Sa Procede de fabrication d'un article comportant une couche fibreuse et au moins une puce electronique, et article ainsi obtenu
GB2395724B (en) * 2002-11-28 2004-11-10 Rue De Int Ltd Method of manufacturing a fibrous substrate incorporating an electronic chip
FI115234B (fi) * 2003-09-24 2005-03-31 Metso Paper Inc Menetelmä kerrostetun paperi- tai kartonkirainan valmistamiseksi
JP4069844B2 (ja) 2003-10-30 2008-04-02 株式会社ノーリツ ガス燃焼装置
FR2865224B1 (fr) * 2004-01-19 2006-11-03 Banque De France Procede d'insertion de puces electroniques dans une feuille de matiere fibreuse
JP4069868B2 (ja) * 2004-01-23 2008-04-02 有限会社 小畑製紙所 Ｉｃチップを埋着した和紙の製造方法
JP4579586B2 (ja) 2004-06-11 2010-11-10 北越紀州製紙株式会社 非接触型ｉｃタグが漉き込まれた用紙の製造方法
JP2006307393A (ja) * 2005-05-02 2006-11-09 Oji Paper Co Ltd Ｉｃインレット供給用部材およびｉｃインレット入り紙製品の製造方法ならびにｉｃインレット入り紙製品の製造装置
FI118605B (fi) * 2005-10-26 2008-01-15 Metso Paper Inc Rainanmuodostusosa ja menetelmä monikerrosrainan valmistamiseksi
ITMI20060698A1 (it) * 2006-04-07 2007-10-08 Gruppo Cordenons Spa Materiale cartaceo di sicurezza in particolare per etichettatura e confezionamento e relativo procedimento di fabbricazione
UA99905C2 (ru) * 2006-10-27 2012-10-25 Крейн Энд Ко., Инк. Защищенный документ, который имеет грязе- и/или влагостойкость
BRPI0915031A2 (pt) * 2008-06-12 2015-10-27 Crane & Co Inc método para aumentar a adesão entre um elemento de segurança e um material de folha fibroso
FR2932908B1 (fr) * 2008-06-24 2012-11-16 Arjowiggins Licensing Sas Structure comportant un filigrane ou pseudo-filigrane et un dispositif a microcircuit integre.

Also Published As

Publication number Publication date
US8691051B2 (en) 2014-04-08
EP2013415A2 (en) 2009-01-14
HK1125983A1 (zh) 2009-08-21
US20090173463A1 (en) 2009-07-09
ES2529458T3 (es) 2015-02-20
JP2009532594A (ja) 2009-09-10
WO2007116296A2 (en) 2007-10-18
EP2013415B1 (en) 2014-11-19
CN101438004B (zh) 2011-06-08
WO2007116296A3 (en) 2008-01-10
ITMI20060698A1 (it) 2007-10-08

Similar Documents

Publication Publication Date Title
CN101438004B (zh) 尤其用于标记和封装的防伪纸材料及其制造方法
EP2334867B1 (en) A tissue papermaking machine and a method of manufacturing a tissue paper web
US5871615A (en) Method for the manufacture of security paper
EP0825297A1 (en) Forgery preventive sheet and method of manufacturing same
TW445329B (en) Press belt and press roll cover for papermaking
CA2307991A1 (en) Method for manufacturing a paper or board web and a paper or board machine
CN1969088B (zh) 用于制造证券纸的装置和方法
CN104131495B (zh) 一种“彩色水印”水印防伪纸及其制备方法
CN1635217A (zh) 具有透明窗的防伪纸及其制造方法和设备
JP2005350823A (ja) 非接触方式のｉｃタグが漉き込まれてなる用紙及びその製造方法
EP1160377A3 (en) Drying section with a coated drying cylinder
CN103835178A (zh) 安全纸开窗方法及其所用的抄造装置和所生产的防伪纸
US7067174B2 (en) Self-adhesive labelstock, a face paper for self-adhesive labelstock, a print carrier and a method for making the face paper and the print carrier for self-adhesive labelstock
EP2220292B1 (en) Process for the continuous production of tissue paper and device used in said process
CA2006317C (en) Method of and an arrangement for passing a fibre web from a wire through a press section
WO2012059619A1 (en) Process for producing multilayer fiber web
JP2010121251A (ja) 偽造防止用紙
WO1993023615A1 (en) Method for treatment of a paper web in the drying section of a papermachine
US20090242153A1 (en) Process for manufacturing a fibrous ply comprising an element of a given thickness and forming fabric for producing the fibrous ply
JPH09316796A (ja) 偽造防止用紙の製造方法
CN102839558A (zh) 造纸设备、造纸方法及生活用纸
US20240018721A1 (en) Device and method for producing a fibrous web
CA2216527C (en) Anti-falsification paper and a method of manufacture thereof
EP0102173A2 (en) Paper making machinery
KR0173060B1 (ko) 부분 겹지 및 이를 제조하는 방법과 장치

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110608

Termination date: 20190406