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Time-out indicator for pneumatic strapper

A technology of indicators and pneumatic modules, which is applied to the parts, packaging, and strapping objects of strapping machines, and can solve problems such as not changing the state of the circuit

Active Publication Date: 2007-03-28
SIGNODE INT IP HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no sign of changing the state of this loop

Method used

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  • Time-out indicator for pneumatic strapper
  • Time-out indicator for pneumatic strapper
  • Time-out indicator for pneumatic strapper

Examples

Experimental program
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Embodiment Construction

[0027] While the present invention may be embodied in various forms, what is shown in the drawings and will be described hereinafter is a presently preferred embodiment, it being understood that this disclosure is by way of illustration only, There is no intention to limit the invention to the particular examples described.

[0028] It should also be understood that the title of this section of the specification, ie, "Detailed Description of Embodiments," refers to a requirement of the US Patent Office, and it does not imply, nor should it be construed, as a limitation on the disclosure herein.

[0029] Referring now to the drawings, and in particular FIGS. 1 and 2, a pneumatic strapping machine or strapping tool 10 is shown having a pause indicator assembly 12 embodying the principles of the present invention. The tool 10 is configured for tensioning a strapping S around a load L, welding the strapping material S to itself and severing the feed end F of the strapping S. For ...

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PUM

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Abstract

A time-out indicator is adapted for use in a pneumatic strapping tool for tensioning a strap around a load, adhering the strap onto itself, and cutting a feed end of the strap. The strapping tool has a cylinder housing, a piston disposed within a cylinder in the cylinder housing, a pneumatic weld motor operably connected to the piston, a vibrating weld element operably connected to the piston for contacting the strap and adhering the strap onto itself. A pneumatic module is mounted to the cylinder housing to provide compressed gas to the cylinder housing and the pneumatic weld motor. The time-out indicator includes a sleeve fitted into an opening in the module. The opening is disposed above and in communication with the cylinder. The sleeve defines a central, longitudinal opening. An indicator is biasedly mounted in the sleeve and disposed for contact with the piston. The indicator reciprocates between a retracted position and an extended position and indicates a cycle of the strapping tool as an in-cycle state in which the cylinder is under pressure, pressurizing the piston to urge the weld element into contact with the strap and a timed-out state in which the piston is not pressurized.

Description

technical field [0001] The present invention relates to an improved tool for tensioning a strapping around an object or cargo and adhering the strapping to itself. More specifically, the present invention is directed to a time-out indicator for use in an air tool that tensions strapping around cargo and welds or fuses the strap to itself. Background technique [0002] Strapping tools are well known in the art. Such tools come in many types from fully manual to automated benchtop tools. These tools are usually specifically designed for application to metal strapping or plastic / polymeric strapping. [0003] One known type of baling tool is a hand-held tool that can be carried to or taken from a job site. If the tool is constructed for use with plastic or polymeric strapping, a pneumatic system is often used to vibrate the contact interface of the overlapping portions of the plastic strapping. The tool includes a clamp for securing a strap free end portion, and a rotatable ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65B13/32B65B13/24B29C65/00B29C65/06B65B13/18F15B21/10
CPCB29C66/4324B29C66/90B29C66/4322B29C66/1122F15B21/10B29C66/8242B29C66/92B29C65/06B29C66/94B29C66/43B65B13/188B29C66/924B29C66/944B29C66/49B29C65/00B65B13/24
Inventor 约翰A·罗姆特里贾森R·纳斯阿特卡罗伯特J·尼克斯
Owner SIGNODE INT IP HLDG