Browse Prior Art Database

SAFETY GUARD FOR CLAMSHELL CUTTING TOOL

IP.com Disclosure Number: IPCOM000246646D
Publication Date: 2016-Jun-24

Publishing Venue

The IP.com Prior Art Database

Abstract

The cutting tool safety guard of the present disclosure attaches to both sides of a clamshell cutting tool and eliminates exposure to all pinch points. The guard completely encloses rotating parts of the cutting tool that may be dangerous and that may cause pinch points against non-rotating parts of the tool without hindering pipe cutting operations.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 24% of the total text.

Page 01 of 15

SAFETY GUARD FOR CLAMSHELL CUTTING TOOL

Background

[0001]This section is intended to introduce the reader to various aspects of art that may be related to various aspects of the presently described embodiments. This discussion is believed to be helpful in providing the reader with background information to facilitate a better understanding of the various aspects of the described embodiments. Accordingly, it should be understood that these statements are to be read in this light and not as admissions of prior art.


[0002]Clamshell (also known as duplex or split frame) tools for in-line cutting and repair pipes in power plants, pipelines, refineries, and in many other markets. Such clamshell cutting tools may be operated pneumatically, hydraulically, or electrically, and can be used to sever or bevel end profiles of pipes. Clamshell cutting tools for pipe cutting include both rotating and non-rotating parts. Pinch points between the rotating and non-rotating parts are capable of causing injury, including to fingers and hands, for example. Known safety precautions include stickers to identify the existence of hazardous pinch points and an emergency stop button.

Brief Description of the Drawings

[0003]For a detailed description of embodiments of the present disclosure, reference will now be made to the accompanying drawings in which:


[0004]FIG. 1 depicts a side view of a safety guard installed on a clamshell cutting tool in accordance with one or more embodiments of the present disclosure;


[0005]FIG. 2 depicts an angled view of a safety guard installed on a clamshell cutting tool in accordance with one or more embodiments of the present disclosure;


[0006]FIG. 3 depicts a cross-sectional view of a back plate of a safety guard installed on a clamshell cutting tool in accordance with one or more embodiments of the present disclosure;

1

machining of pipes are used around the world in shops and out on job sites to build and


Page 02 of 15


[0007]FIG. 4 depicts a cross-sectional view of a back plate of a safety guard in accordance with one or more embodiments of the present disclosure;


[0008]FIG. 5 depicts a side view of a back plate of a safety guard in accordance with one or more embodiments of the present disclosure;


[0009]FIGS. 6 and 7 depict angled views of a back plate of a safety guard in accordance with one or more embodiments of the present disclosure;


[0010]FIG. 8 depicts a cross-sectional view of a front plate of a safety guard installed on a clamshell cutting tool in accordance with one or more embodiments of the present disclosure;


[0011]FIG. 9 depicts an angled view of a front plate of a safety guard in accordance with one or more embodiments of the present disclosure; and


[0012]FIGS. 10 and 11 illustrate three-dimensional angled schematic views of a safety guard installed on a clamshell cutting tool in accordance with one or more embodiments of the present disclosure.

Detailed Description

[0013] One or more specifi...