Abstract:
A tape dispenser comprises a housing comprising a face portion and a sidewall proximate the face portion. The face portion and the sidewall each comprise an inner surface and an outer surface. The outer surface of the sidewall is curved in the x-y plane, contains no undercuts and comprises a plurality of ribs extending across it. The ribs are convexly curved in the z-axis. The inner surface of the sidewall is linear in the z-axis. The inner surface of the face portion comprises a tape holding portion adapted to hold a roll of tape therein. The curvature of the inner surface of sidewall encircles more than half of a roll of tape held by the tape holding portion. The housing is integrally molded from a polymeric material.
Abstract:
A masking dispenser includes a vertical support, a paper roll, a fixture, and a reel. The paper roll support extends horizontally to the vertical support. The fixture includes a bracket coupled to an extension. The bracket is secured to the vertical support and the extension extends in a direction perpendicular to the paper roll support. The reel is rotatably coupled to the extension and is configured to receive a roll of masking tape and to dispense the masking tape parallel to an edge of a masking paper roll located on the paper roll support.
Abstract:
A web dispenser comprising a housing maintaining at least one roll of web material therein, a rotatable assembly in said housing having at least three mandrels connected thereto for holding at least one roll of web material to be dispensed and a drive motor for rotating said the rotatable assembly to bring a roll of web material to a dispensing position.
Abstract:
In the method for changing a reel in the reel-up of a paper or paperboard machine or finishing apparatus for paper or paperboard, the cutting of a paper or paperboard web (W) and the guiding of the same on a new reel is conducted by using a tape (5) that is guided into connection with a reeling core (3). Thereafter the tape, as it is positioned on top of the reeling core, at the same time cuts the web (W) and guides the new end of the web following the cutting point around the reeling core. The tape (5) is equipped with an adhesive agent which at the moment of reel change or thereafter is brought to a state that activates the adhesive agent. At least some of the adhesion surfaces of the tape (5) are activated by means of a compression pressure between the reeling core (3) and the reeling cylinder (2).
Abstract:
The invention relates to a method in sequential winding stations which are in a production line processing the web at successive stages. In the method the paper web issuing from a paper machine (PK) is reeled in a reel-up (KR1) around a reel spool (T1) to form a reel, the paper web is unwound in an unwind (AR) from the reel to the finishing machine (JK) for paper, and the paper web passed through the finishing machine (JK) for paper is reeled in a reel-up (KR2) around a reel spool (T2) to form a reel. At least the reel spools (T1) used in the area between the reel-up (KR1) of the paper machine (PK) and an unwind thereafter, have different dimensions, advantageously larger diameters, than the reel spools (T2) used later in the production line.
Abstract:
An apparatus includes a first and a second curved guides (36, 37), which are fed with respectively a first and a second film (20) made of a heat-formable material. First and second sensor means (56, 57) are situated at the outlet of the curved guides (36, 37) to detect the presence of leading edges of these films (20) thus making them stop in a position, in which they are ready to be fed to the packaging machine. Downstream of the curved guides (36, 37), there is a station (60), in which the leading edge and the trailing edge of the first and second films (20) are spliced. This splicing station (60) is equipped with sensor means (58) to detect running out of the first film (20) and command the supply of the second film (20). The splicing station includes also a cutting group (66), which is operated crosswise to the film (20) advancement direction (A), to cut respectively, a terminal part (200) and beginning part (201) of the films (20). The splicing station (60) is equipped also with a taping group (76), that moves in the same plane as the cutting group (66) and supports an applying roller (81) to which an adhesive tape is supplied from a reel (80) to be applied to the films (20) edges.
Abstract:
In a method and equipment for preparing paper rolls in a manner to enable one roll to be joined to another, the rolls (1) are transported separately by means of carriages (70) to a determined position in a join-preparing apparatus (30) which includes a join-preparing device (35) which is spaced from the determined carriage position. A carousel (31) has two diametrically arranged holders (33). While one holder (33) is located in a first holder position (33b) adjacent the carriage (70) in the determined position of the carriage, the other holder is located in a second holder position (33a) in which it coacts with the join-preparing device (35). A join-preparation is effected on a roll held at the join-preparing device (35) by one holder essentially in the time taken to transfer a join-prepared roll from the second holder (33) in the first position to an empty carriage (70) located in the defined position and while a roll which has arrived on a new carriage in the determined position is transferred to the other holder (33). The carriage which has received the join-prepared roll is driven immediately to its destination, for instance a paper roll rack, and is replaced in the aforesaid determined position by a carriage which carries an unprepared roll. This roll is immediately transferred to a holder (33) on the transfer device (31).
Abstract:
The present method and apparatus relates to automatic deheading of a material web roll (1) containing a long material web, for example, paper for a daily newspaper printing machine. By means of a device (11) the method and apparatus according to the invention comprise the forming of an engagement lip (13) in the protecting layer of a roll envelope surface constituting the wrapper, whereafter said engagement lip is raised for insertion of a knife cutting the envelope surface wrapper, and additionally a guiding of said knife (20) such that this will not at any occasion come in touch with any of the gable sides. Additionally the knife (20) is moved around the envelope surface adjacent to the gable side but on top of the envelope surface itself during rotation of the material web roll (1) by means of rotatable rollers (10) until the knife has cut along all of the protecting wrapper, the wrapper heads adjacent to the knife will be released without any risk that the material web and its edges being damaged.