30results about "Safety devices for paper-making machines" patented technology

Calender that includes at least one supporting bracket, and a roll stack having at least two rolls. At least one axial end of each of the at least two rolls are supported by the at least one supporting bracket. A connection arrangement includes a fluid connection coupled to at least one of the at least two rolls and a drive connection coupled to at least one of the at least two rolls, and a closed housing is arranged to enclose the connection arrangement. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

A wet end of the machine comprises at least one vertical, self-supporting installation module (10a, 10b) to be positioned into connection with the machine which module is supported from its lower end by foundation structures of the machine construction and which extends at least to the height of a second maintenance platform (50b) of the machine, which installation module (10) includes at least valves (40) and pipes (30) related to the hydraulic and / or pneumatic actuators of the machine.

A roll stand assembly for processing a sheet product with a plurality of rolls on a frame. A first roll has a first sheet engaging surface and a first shaft assembly. A second roll has a second sheet engaging surface and a second shaft assembly. The first and second rolls are relatively movable between: a) an operating relationship; and b) an open relationship. A safety assembly prevents inadvertent changing of the first and second rolls from the open relationship into the operating relationship. The safety assembly includes a first chuck component mounted for movement relative to the frame between: a) a running position wherein the safety assembly is in a disengaged state; and b) a lockout position.

The present invention relates to a service platform arrangement (10) of a fiber web machine, including at least a walkway (14) and a railing (12) disposed in connection with each other so that the railing extends from the walkway to a first direction. The service platform arrangement comprises an essentially closed protecting structure (40) provided in connection with the walkway in a horizontal level essentially at the railing so that it extends from the walkway to another direction, which is essentially the opposite direction in relation to the first direction.

The invention relates to a system (1) and a method for collecting and handling dust in a paper-making environment. The system (1) comprises a source of underpressure (2) and an elongated collector (4) that extends along a longitudinal axis and which elongated collector (4) is connected to the source of underpressure (2) through at least one suction duct (7) such that underpressure can be generated inside the elongated collector (4). The elongated collector (4) has an inlet (5) through which dust-laden air can enter the elongated collector (4) and an exit opening (6) leading to the suction duct (7) through which exit opening (6) dust-laden air can be evacuated from the elongated collector (4). A source of water (8) is connected by at least one water supply duct (10) to the elongated collector (4) such that water from the source of water (8) can be introduced into the elongated collector so that dust in the dust-laden air can be exposed to and mix with the water introduced into the elongated collector (4). A flow meter (12) is functionally connected to the system (1) to measure at least one of a flow of water from the source of water (8) to the elongated collector (4) or a flow of water exiting from the elongated collector (4) through the exit opening (6) of the elongated collector (4) and arranged to send a signal indicating a numerical value for a flow of water that reaches or leaves the elongated collector (4) such that this value can be compared to a predetermined minimum value. The system is used to carry out the inventive method.

A control system (100) for a functional section (I, II, III) of a paper processing device (140). The control system (100) has at least one safety-monitoring camera (110, 120, 130) which is arranged in the functional section (I, II, III) such that a functional region of the functional section (I, II, III) can be captured by the safety-monitoring camera (110, 120, 130). An operating unit (101) of the system (100) is designed to operate the functional section (I, II, III), and image data of the at least one safety-monitoring camera (110, 120, 130) can be selected by the operating unit (101). A display unit (103) is configured to display the selected image data such that a user allows or blocks the operation of the functional section (I, II, III) based on the displayed image data. A safety device (102) is coupled to the safety-monitoring camera (110, 120, 130) and the operating unit (101), and the safety device (102) receives image data of the safety-monitoring camera (110,120, 130). The safety device (102) is configured such that the safety device (102) allows or blocks the operation of the functional section (I, II, III) by means of the operating unit (101) on the basis of the received image data of the safety-monitoring camera (110, 120, 130).

The invention relates to a device (100) for the production of nonwoven fabric webs. The device includes a nonwoven production device (15) arranged on a supporting structure (10) in an assembled state, and an auxiliary unit (2) comprising at least one liquid tank (122) and a platform (25) arranged on a top side (20a) of the auxiliary unit (2). The nonwoven production device (15) and the auxiliaryunit (2) are arranged in relation to each other so that, for at least one of assembling, operating, and / or repairing the nonwoven production device (15), access to the nonwoven production device (15)is provided from the platform (25). The invention also relates to a method for assembling the device (100).

Calender that includes at least one supporting bracket, and a roll stack having at least two rolls. At least one axial end of each of the at least two rolls are supported by the at least one supporting bracket. A connection arrangement includes a fluid connection coupled to at least one of the at least two rolls and a drive connection coupled to at least one of the at least two rolls, and a closed housing is arranged to enclose the connection arrangement. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

A wet end of a paper or board machine has at least one vertical, self-supporting installation module (10a, 10b) to be positioned into connection with the machine which module is supported from its lower end by foundation structures of the machine construction and which extends at least to the height of a second maintenance platform (50b) of the machine, which installation module (10) includes at least valves (40) and pipes (30) related to the hydraulic and / or pneumatic actuators of the machine.

The invention relates to a walking platform, a walking platform fixing device and an operation method. The device used for fixing the walking platform onto a fiber web material machine comprises a work platform (22) and a support structure (11), wherein the work platform (22) is arranged on the walking platform (10), the support structure (11) is arranged below the work platform (22) and is fixed onto the fiber web material machine (13), the support structure comprises at least a support member (14) which extends in the transverse direction of the fiber web material machine (13), and the support member is used as a part of the walking platform (10). The walking platform (10) and the support member (14) can be detachably fixed onto the fiber web material machine (13). The invention also relates to a walking platform of the fiber web material machine and an operation method applied to connecting the walking platform and the fiber web material machine.

A control system (100) for a functional section (I, II, III) of a paper processing device (140). The control system (100) has at least one safety-monitoring camera (110, 120, 130) which is arranged in the functional section (I, II, III) such that a functional region of the functional section (I, II, III) can be captured by the safety-monitoring camera (110, 120, 130). An operating unit (101) of the system (100) is designed to operate the functional section (I, II, III), and image data of the at least one safety-monitoring camera (110, 120, 130) can be selected by the operating unit (101). A display unit (103) is configured to display the selected image data such that a user allows or blocks the operation of the functional section (I, II, III) based on the displayed image data. A safety device (102) is coupled to the safety-monitoring camera (110, 120, 130) and the operating unit (101), and the safety device (102) receives image data of the safety-monitoring camera (110, 120, 130). The safety device (102) is configured such that the safety device (102) allows or blocks the operation of the functional section (I, II, III) by means of the operating unit (101) on the basis of the received image data of the safety-monitoring camera (110, 120, 130).

The present invention relates to a service platform arrangement (10) of a fiber web machine, including at least a walkway (14) and a railing (12) disposed in connection with each other so that the railing extends from the walkway to a first direction. The service platform arrangement comprises an essentially closed protecting structure (40) provided in connection with the walkway in a horizontal level essentially at the railing so that it extends from the walkway to another direction, which is essentially the opposite direction in relation to the first direction.

The present invention relates to a service platform arrangement (10) of a fiber web machine, including at least a railing (12) and a walkway (14) disposed in connection with each other. In the service platform arrangement the railing (12) is a so-called supporting structure and the walkway (14) has been supported to the railing.

The present invention relates to a service platform arrangement (10) of a fiber web machine, including at least a railing (12) and a walkway (14) disposed in connection with each other. In the service platform arrangement the railing (12) is a so-called supporting structure and the walkway (14) has been supported to the railing.

A roll stand assembly for processing a sheet product with a plurality of rolls on a frame. A first roll has a first sheet engaging surface and a first shaft assembly. A second roll has a second sheet engaging surface and a second shaft assembly. The first and second rolls are relatively movable between: a) an operating relationship; and b) an open relationship. A safety assembly prevents inadvertent changing of the first and second rolls from the open relationship into the operating relationship. The safety assembly includes a first chuck component mounted for movement relative to the frame between: a) a running position wherein the safety assembly is in a disengaged state; and b) a lockout position.

The device has a work platform (22) arranged at a gangway (10). A support block (11) is fixed at a fiber web machine (13) and located under the work platform. The support block comprises carriers (14) that are formed as a part of the gangway. The carriers are extended along transverse direction of the fiber web machine. The gangway and the carriers are releasably fixed at the fiber web machine. A quick lock unit is arranged at the fiber web machine to releasably fasten the gangway at the fiber web machine. The carriers include a fastening set device that is adaptable to a locking unit. An independent claim is also included for a method for handling a gangway connected with a fiber web machine.

The wet end of the paper machine comprises at least one passage space (100) which extends from a tending side (HP) of the machine to a drive side (KP) of the machine and is closed in a machine direction, and inside which operating staff can walk in an operating situation safely and protected from ambient conditions between the tending side (HP) of the machine and the drive side (KP) of the machine.