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Class 242/553 - With lead end modification (e.g., trimming)


Subclass of Class 242 - Winding, tensioning, or guiding
Definition: Subject matter wherein the splicing mechanism includes structure
No. of patents: 72
Last issue date: 04/14/2009


1    
NumberTitleIssue Date
7516916Method for splicing material webs and splicing device
In a method for splicing material webs and an associated splicing device it is envisaged, for producing an improved joint, to join the material webs in the area of cut edges essentially overlap-free to form an endless material web, the cut edges being produced by cu...
04/14/2009
7441579Splicing device to join together two web materials, unwinding device comprising said splicing device
A splicing device to join a first web material coming from a reel being fed (BA), to a second web material (NB), coming from a reel standing by (BB), comprising two heads (107A, 127A; 107B, 127B), each of which comprises: a roller (129...
10/28/2008
7389628Method for changing rolls of tubular film
A method for joining an initial section (3) of a film tube (2) which is wound up in a band-like manner on a reel (1) with an end section (4) of a second film tube (5) extending over subsequent processing stations, especially a pack...
06/24/2008
7147737Banderoling machine
A banderoling machine joins film webs from a roll to form a film curtain. Film is placed around material to be banderoled to form a loop and the loop is tightened to clamp at least one of the film webs, and is heat-sealed and separated from the remainder of the film...
12/12/2006
7128795Method and apparatus for splicing a web material
An apparatus and method for splicing web materials. The apparatus comprises a first nip roller, a second nip roller and an adhesive roller. The apparatus further comprises a first wind up roller and a second wind up roller. The apparatus also comprises a pair of inf...
10/31/2006
7093786Take-up cores for flexible materials and methods
In one embodiment, a take up reel comprises a core having a generally open interior and an outer surface that is adapted to hold a sheet-like material that is wound around the core. Also, the core defines at least one slot. A slider member is slidable within the slo...
08/22/2006
7022205Apparatus and method for forming a butt splice
The present invention relates to a method and apparatus for splicing a web of layered material so that a new roll of material may be joined to an expiring web via a butt joint. A shear wheel is driven to ensure that the shear wheel positively rotates as it cuts acro...
04/04/2006
6978816Method and apparatus for splicing a web material
An apparatus and method for splicing web materials. The apparatus comprises a first nip roller, a second nip roller and an adhesive roller. The apparatus further comprises a first wind up roller and a second wind up roller. The apparatus also comprises a pair of inf...
12/27/2005
6966961Splicing device for splicing two web materials together, unwinder comprising said splicing device and relative method
The splicing device comprises two heads (41A, 43A; 41B, 43B), each of which has: a roller (33A; 33B) associated with a clamping bar (93A; 93B) to hold between said roller and said clamping bar an initial edge (...
11/22/2005
6929708Film splicing and cutting mechanism
A splicing device comprising: an elongated anvil having an elongated slot therein; an elongated splicing head having a pair of spaced apart tips extending therefrom and having a longitudinal aperture therein; a heating element in the longitudinal aperture; and an ac...
08/16/2005
6923401Method for unwinding elastomeric yarn from coiled packages
A method for unwinding tacky elastomeric yarn from one or multiple coiled yarn packages includes the steps of (a) removing tubular cores from each yarn package to expose the beginning end of the yarn strand at the inner diameter of the yarn package; (b) forming a te...
08/02/2005
6923880Film splicer apparatus and method for splicing a film used for bagging snack foods
A film splicer apparatus is disclosed for splicing a film used for bagging snack foods. The apparatus includes a frame and an axle which is rotatably supported by the frame for rotatably supporting a first roll of the film used for the bagging of the snack foods. A ...
08/02/2005
6866221Strip feed unit and method, and reel end pickup method
A unit (1) for feeding strips (2, 3) has pins (12) supporting a first and a second reel (6, 7) of a first and a second strip (2, 3) respectively; the second reel (7) having an end (53; 56) of the second strip (3
03/15/2005
6811637Process and device for picking up materials
A source for supplying lengths of adhesive tape applies such adhesive elements with their outer surfaces facing outwards onto a gripping element consisting of a rotating drum. The drum in question applies the adhesive element on the outer surface of a reel of web ma...
11/02/2004
6790302Adhesive means for connecting a web end on a material roll and corresponding method
An adhesive strip is usable to prepare a material roll for a flying roll change. A support strip has at least one adhesive layer or stripe on its upper surface. A further adhesive zone is provided on the undersurface of the support strip. The adhesive zone includes ...
09/14/2004
6786264Automatic splicing device for laminar webs in continuous feed processes
Automatic splicing device for laminar webs in continuous feed processes, consisting of two reel-carriers (1 and 2), mounted above which are the respective preparation heads (3 and 4) and between them a moving head (14) capable of d...
09/07/2004
6726614Method and device for shortening the flap of paper resulting after an unsupported roll change
A method and device for trimming flaps formed upon joining a leading end of a new roll to the trading end of a web of a preceding roll in which the web, after joining, is guided around an upstream roller, along a straight path and then onto a downstream roller. A no...
04/27/2004
6582547Method of preparing for a splice
Method of preparing for a splice, characterized in that a reel (1) is rotatably mounted in a reel holder (2) and a pressure roll (3) is pressed against the reel (1), underneath or at the side of the reel holder (2) and parallel to the axis (4) of the reel...
06/24/2003
6553881Configuration for introducing material webs into conveying paths of rotary printing machines
The configuration enables the introduction of a material web, which can be divided up into material sub-web strands, into the conveying paths of an angle-bar superstructure of a rotary printing machine. A slitting arrangement, which can be positioned in a...
04/29/2003
6500288Roll film connecting device and method
A roll film connecting device comprises means for transporting a preceding film and a film following the film via a connecting station, a pair of connecting members arranged at the connecting station and movable toward or away from each other with a film ...
12/31/2002
6355128Device and method for making a splice into a paper web
The invention concerns a device for making a splice into a paper web, which device (10) has been fitted to be used as an auxiliary device in making a cross-direction splice between two ends of a web in a winder. The device (10) comprises a suction zone (1...
03/12/2002
6328088Device for splicing strips of thermoplastic material
A device for splicing strips of thermoplastic material to splice a first strip extending along a first path and a second strip extending along a second path; the device having first guides for guiding the first strip, and second guides for guiding the sec...
12/11/2001
6209819Device and method for automatic changing of film rolls
Device and method for changing film rolls, with apparatus for holding a first film roll in a working position in which film can be pulled off and separated from the film roll as desired, and holding a second film roll in a standby position. The second fil...
04/03/2001
6142408Process and apparatus for connecting material webs
Process and apparatus for connecting material webs, namely one end of a new web (34) to one end of a runoff web (58). The new web (34), on the one hand, and run-off web (29), on the other hand, are each gripped individually, and stopped, by clamping parts (49,...
11/07/2000
6142206Lap splicing apparatus with the trailing tail end of the splice always on the same side
A lap splicing apparatus for lap splicing first and second webs together, with each of the first and second webs alternately constituting a running web and a new web to be spliced to the running web, includes a frame; a first spindle mounted at a first fi...
11/07/2000
6079470Apparatus for cutting a web of paper and for applying an adhesive tape to the cutting edge of the web of paper
An apparatus for cutting a web of paper and for applying an adhesive tape to a cutting edge of the web of paper has a stand, a receptacle, and a cutter. An applicator unit is provided, which is displaceable in a working direction. The applicator unit has ...
06/27/2000
6016989Paper web autosplicer
A method and apparatus is disclosed for effecting, in a preferred embodiment, a double-sided web splice for paper webs produced in the papermaking process. A trailing portion of a first paper web is held and cross-cut over a support beam which is selectiv...
01/25/2000
6013148Apparatus for joining ends of material webs to each other
The ends of material webs or tapes are joined to each other in an apparatus in which two holding and press-on heads are tiltable about fixed journal xes away from two fixed guide rollers for the webs so that a slide carriage for the heads and for the fixe...
01/11/2000
5989792Photographic film
A photographic film is connected with a leader by engagement with an engaging piece provided on the leader. The film is then conveyed by being pulled by the leader since engaging holes in the film are engageable with engaging pieces provided on a leader. ...
11/23/1999
5935361Web splicing preparation method and apparatus
An original roll positioning device sets a position of an end face of a new roll at a predetermined reference position. An end pull-out device sucks and pulls out the leading end of the new web from the positioned new roll at a predetermined length. A pai...
08/10/1999
5902448Method and device for preparing the beginning of a paper web feed roll for changing rolls in motion
A leading edge of a paper web on a paper web feed roll is prepared for use in a flying web splice. The paper web feed roll is supported adjacent a carriage which is movable generally parallel to an axis of rotation of the paper web feed roll. The carriage...
05/11/1999
5783029Paper web leading edge preparation device
A leading edge of a paper web supply roll is prepared for utilization in a flying web splice. The paper web supply roll is supported adjacent a work carriage that is movable transversely across the face of the supply roll. As the work carriage moves acros...
07/21/1998
5783028Sheet splicing apparatus
In the sheet splicing apparatus 1, a sheet holding bar 28b (28a) is arranged along the width of the end potion of the sheet 26 from the secondary roll 24. The end portion of the sheet 26 is removably attached to the sheet holding bar 28b (28a), which move...
07/21/1998
5762283Method for preparing the start of a material web of a stock roll in a roll exchanger, roll exchanger and web-takeup device
A method and apparatus for preparing the start of a material web of a stock roll (5) in a roll exchanger comprises the steps of bringing a surplus roll (20) removed from a stock-roll holder (3), which surplus roll (20) is incorporated in a frame of web-ta...
06/09/1998
5738744Method and apparatus for continuously supplying a continuous film in a film applying apparatus
A method and apparatus in which a succession of continuous films each composed of a support film, a photosensitive resin layer and a cover film laminated one above another are joined end to end and fed continuously while allowing the cover film to be sepa...
04/14/1998
5709761Rubber sheet joining method and rubber sheet joining device
A method and a device for joining rubber sheets. A pressing disk having a shape that a cutting disk is cut at an edge thereof by about 0.7 mm to 1.0 mm joins with pressure edge parts of unvulcanized rubber sheets which are stackably aligned with one anoth...
01/20/1998
5698060Web butt-splicing apparatus
An apparatus and method for web butt-splicing at high speeds has a series of vacuum drums which sequentially supports an expiring web and a fresh web. Cutting members are provided on each drum which cooperate with the movement of the drums into proximity ...
12/16/1997
5679207Non-alternating lap splicing device
A non-alternating lap splicing apparatus for successively splicing rolls of web material is enclosed in a bifurcated housing with a separate access door for each of two compartments therein. There is a driven spindle in each of the compartments, each for ...
10/21/1997
5599415Method of thermally splicing zippers
A method of thermally splicing a first zipper to a second zipper, and the thermally formed splice produced by this method, are provided. The first and second zippers each include a male profile and a female profile adapted to interlock with each other. Th...
02/04/1997
5524844Apparatus for preparing a leading edge of web material
An apparatus for tensioning an outer layer or web material about a roll of web material includes a tension roller assembly. The tension roller assembly is defined by a rotatable idler roller that is movable into and out of contact with the outer layer of ...
06/11/1996
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