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1. (WO1999058323) METHOD AND APPARATUS FOR PRODUCTION OF BAGS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1999/058323 International Application No.: PCT/US1999/010760
Publication Date: 18.11.1999 International Filing Date: 14.05.1999
Chapter 2 Demand Filed: 07.12.1999
IPC:
B31B 19/10 (2006.01) ,B31B 19/60 (2006.01) ,B31B 19/90 (2006.01) ,B65D 30/06 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
31
MAKING PAPER ARTICLES; WORKING PAPER
B
MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
19
Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents
02
and having means for feeding or positioning sheets, blanks, or webs
10
Feeding or positioning webs
B PERFORMING OPERATIONS; TRANSPORTING
31
MAKING PAPER ARTICLES; WORKING PAPER
B
MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
19
Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents
60
and having means for uniting opposed surfaces or edges, or for taping
B PERFORMING OPERATIONS; TRANSPORTING
31
MAKING PAPER ARTICLES; WORKING PAPER
B
MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
19
Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents
74
and having means for effecting auxiliary operations
90
Attaching accessories not otherwise provided for, e.g. opening or closure devices, tear strings
B PERFORMING OPERATIONS; TRANSPORTING
65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D
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
30
Sacks, bags or like containers
02
characterised by the material used
04
made of fabric
06
net-like
Applicants:
WINIECKI, Gerald, R. [US/US]; US (UsOnly)
ANTONACCI, Paul, N. [US/US]; US (UsOnly)
RUSERT, Craig, R. [US/US]; US (UsOnly)
BP AMOCO CORPORATION [US/US]; Law Dept., Mail Code 1907A 200 E. Randolph Drive P.O. Box 87703 Chicago, IL 60680-0703, US
Inventors:
WINIECKI, Gerald, R.; US
ANTONACCI, Paul, N.; US
RUSERT, Craig, R.; US
Agent:
HENSLEY, Stephen, L.; BP Amoco Corporation Law Dept., Mail Code 1907A P.O. Box 87703 Chicago, IL 60680-0703, US
Peter Barz; D-80803 Munchen Kaiserplatz 2, DE
Priority Data:
60/085,47814.05.1998US
Title (EN) METHOD AND APPARATUS FOR PRODUCTION OF BAGS
(FR) PROCEDE ET APPAREIL DE PRODUCTION DE SACS
Abstract:
(EN) The present invention provides an improved method and apparatus for production of open mesh bags. The method and apparatus produces heat-sealable seam bag stock for making individual bags having a closed end formed by folding the fabric, an open end capable of being sealed and longitudinal, improved strength heat-sealed side seams containing strips of heat-sealable material extending from the closed end to the open end. The process for making open mesh bags comprises the steps of applying to an open mesh substrate (18, 20) a print band material bearing a readable indicator and applying to the substrate at selected positions strips (26, 36) of a thermoplastic resin to which the substrate is heat sealable, wherein the positions of the strips are selected based on the indicators on the print band material.
(FR) On décrit un procédé et un appareil améliorés qu'on utilise pour produire des sacs à mailles ouvertes. Le procédé et l'appareil permettent de produire une réserve de sacs à coutures thermosoudables destinée à former des sacs individuels comprenant une extrémité fermée formée par le pliage de la matière textile, des coutures latérales thermosoudées renforcées contenant des bandes de matière thermosoudable qui s'étendent entre l'extrémité fermée et l'extrémité ouverte. Le procédé de fabrication de ces sacs à mailles ouvertes comprend les étapes suivantes: on applique sur un substrat (18,20) à mailles ouvertes une matière de bande d'impression comportant un indicateur pouvant être lu et on applique sur le substrat, à des endroits sélectionnés, des bandes (26,36) d'une résine thermoplastique sur lesquelles le substrat peut être thermosoudé; les endroits sur les bandes étant sélectionnés en fonction des indicateurs présents sur la matière de bande d'impression.
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Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZA, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SL, SZ, UG, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)