PT102000A - System for opening apertures in walls for the passage of pipes - Google Patents

System for opening apertures in walls for the passage of pipes Download PDF

Info

Publication number
PT102000A
PT102000A PT10200097A PT10200097A PT102000A PT 102000 A PT102000 A PT 102000A PT 10200097 A PT10200097 A PT 10200097A PT 10200097 A PT10200097 A PT 10200097A PT 102000 A PT102000 A PT 102000A
Authority
PT
Portugal
Prior art keywords
walls
pipes
passage
opening apertures
grinder
Prior art date
Application number
PT10200097A
Other languages
Portuguese (pt)
Original Assignee
Da Costa Julio Antonio Salgado
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Da Costa Julio Antonio Salgado filed Critical Da Costa Julio Antonio Salgado
Priority to PT10200097A priority Critical patent/PT102000A/en
Publication of PT102000A publication Critical patent/PT102000A/en

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Abstract

The cutter 1 is applied to the grinder via its central hole. The support base 2 of the grinder is fixed to the latter by means of a bracket 5 and by an adjustable screw 6. The base 2 has a slot 3 for passage of the toothed wheel 1 and, further, rolling support points 4 for sliding more easily over the walls. This invention can be used to open apertures in walls for the installation of pipes. <IMAGE>
PT10200097A 1997-04-28 1997-04-28 System for opening apertures in walls for the passage of pipes PT102000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT10200097A PT102000A (en) 1997-04-28 1997-04-28 System for opening apertures in walls for the passage of pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT10200097A PT102000A (en) 1997-04-28 1997-04-28 System for opening apertures in walls for the passage of pipes

Publications (1)

Publication Number Publication Date
PT102000A true PT102000A (en) 1998-11-30

Family

ID=20085675

Family Applications (1)

Application Number Title Priority Date Filing Date
PT10200097A PT102000A (en) 1997-04-28 1997-04-28 System for opening apertures in walls for the passage of pipes

Country Status (1)

Country Link
PT (1) PT102000A (en)

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19970731

FC3A Refusal

Effective date: 20000609