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1. WO2003035372 - DEVICE FOR WELDING PLASTIC FILMS

Publication Number WO/2003/035372
Publication Date 01.05.2003
International Application No. PCT/EP2002/010177
International Filing Date 11.09.2002
Chapter 2 Demand Filed 14.03.2003
IPC
B29C 65/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
B29C 65/18 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
02by heating, with or without pressure
18using heated tool
B31B 1/64 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
1Box, carton, envelope or bag making machinery characterised by performing specific operations
60Uniting opposed surfaces or edges; Taping
64by applying heat or pressure
B65B 9/08 2012.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
9Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
06Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
08in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
B29C 65/74 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
74by welding and severing
CPC
B29C 65/18
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
02by heating, with or without pressure
18using heated tools
B29C 65/743
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
74by welding and severing ; , or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
743using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
B29C 66/00441
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
66General aspects of processes or apparatus for joining preformed parts
004Preventing sticking together, e.g. of some areas of the parts to be joined
0042of the joining tool and the parts to be joined
0044using a separating sheet, e.g. fixed on the joining tool
00441movable, e.g. mounted on reels
B29C 66/1122
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
66General aspects of processes or apparatus for joining preformed parts
01General aspects dealing with the joint area or with the area to be joined
05Particular design of joint configurations
10particular design of the joint cross-sections
11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
112Single lapped joints
1122Single lap to lap joints, i.e. overlap joints
B29C 66/43
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
66General aspects of processes or apparatus for joining preformed parts
40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
41Joining substantially flat articles
43Joining a relatively small portion of the surface of said articles
B29C 66/8122
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
66General aspects of processes or apparatus for joining preformed parts
80General aspects of machine operations or constructions and parts thereof
81General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
812characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
8122characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
Applicants
  • LEMO MASCHINENBAU GMBH [DE]/[DE] (AllExceptUS)
  • MEYER, Armin [DE]/[DE] (UsOnly)
  • SCHNEIDER, Jakob [DE]/[DE] (UsOnly)
Inventors
  • MEYER, Armin
  • SCHNEIDER, Jakob
Agents
  • THUL, Hermann
Priority Data
101 51 576.623.10.2001DE
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) VORRICHTUNG ZUM SCHWEISSEN VON KUNSTSTOFFOLIEN
(EN) DEVICE FOR WELDING PLASTIC FILMS
(FR) DISPOSITIF DE SOUDAGE DE FILMS PLASTIQUES
Abstract
(DE) In Beutelherstellungsmaschinen werden bekannterweise Vorrichtung zum Querschweissen oder zum Quertrennschweissen von Kunststoffolien (2) eingesetzt, die eine Schweisswalze (3) und einen beheizten Schweissbalken (4) aufweisen, die gegeneinander bewegbar sind und zwischen denen die Kunststoffolien (2) zum Verschweissen hindurch-geführt werden. Nach der Erfindung wird die Schweisswalze (3) von einem umlaufenden Band (5) abgedeckt.
(EN) Devices for cross-welding or cross-separating welding plastic films (2) are used in a manner known per se in machines for producing bags, said devices comprising a welding roller (3) and a heated welder terminal (4) which can be moved reciprocally and between which the plastic films (2) are guided for welding. According to the invention, the welding roller (3) is covered by a continuous belt (5).
(FR) Des dispositifs de soudage transversal ou de soudage transversal et de séparation de films plastiques (2) sont utilisés de manière connue dans des machines de production de sacs, lesdits dispositifs présentant un rouleau de soudage (3) ainsi qu'une barre de soudage (4) chauffée, qui peuvent être déplacés l'un par rapport à l'autre et entre lesquels lesdits films plastiques (2) sont guidés afin d'être soudés. Selon l'invention, une courroie (5) rotative passe sur ledit rouleau de soudage (3).
Latest bibliographic data on file with the International Bureau