SU77176A1 - Electric drill with carborundum core drill bit - Google Patents

Electric drill with carborundum core drill bit

Info

Publication number
SU77176A1
SU77176A1 SU386600A SU386600A SU77176A1 SU 77176 A1 SU77176 A1 SU 77176A1 SU 386600 A SU386600 A SU 386600A SU 386600 A SU386600 A SU 386600A SU 77176 A1 SU77176 A1 SU 77176A1
Authority
SU
USSR - Soviet Union
Prior art keywords
drill
carborundum
electric
drill bit
electric drill
Prior art date
Application number
SU386600A
Other languages
Russian (ru)
Inventor
Д.В. Габолаев
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 filed Critical
Priority to SU386600A priority Critical patent/SU77176A1/en
Application granted granted Critical
Publication of SU77176A1 publication Critical patent/SU77176A1/en

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Description

Предлагаетс  электробур, снабженный карборундовой коронкой, предназначенной дл  колонкового бурени .An electric drill equipped with a carborundum crown for core drilling is offered.

Отличительной особенностью онисываемого изобретени   вл етс  то, что карборундова  коронка вынолнена в виде целого карборундового цилиндрика, установленного в разрезной онравке, ст гиваемой гайкой.A distinctive feature of the inventive invention is that the carborundum crown is made as a whole carborundum cylinder, installed in a split cage, which is fastened with a nut.

На чертеже изображена карборундова  коронка.The drawing shows a carborundum crown.

Коронка имеет цилиндрик Л вставленный в обойму 2, снабженную в месте расположени  цилиндрика продольными прорезами. Дл  закреплени  цилиндрика в обойме применена гайка 3, ст гивающа  обойму , благодар  наличию продольных прорезов. Обойма ввинчиваетс  в шпиндель электробура.The crown has a cylinder L inserted into the holder 2, provided with longitudinal slits in the location of the cylinder. For fastening the cylinder in the cage, a nut 3 was used, tightening the cage, due to the presence of longitudinal slits. The yoke is screwed into the spindle of the electric drill.

Предмет изобретени Subject invention

Электробур с карборундовой коронкой дл  колонкового бурени , отличающийс  тем, что карборунд выполнен в виде цилиндрика, установленного в разрезной оправе, ст гиваемой гайкой.An electric drill with a carborundum crown for core drilling, characterized in that the carborundum is made in the form of a cylinder mounted in a split frame, which is fastened by a nut.

SU386600A 1948-10-28 1948-10-28 Electric drill with carborundum core drill bit SU77176A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU386600A SU77176A1 (en) 1948-10-28 1948-10-28 Electric drill with carborundum core drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU386600A SU77176A1 (en) 1948-10-28 1948-10-28 Electric drill with carborundum core drill bit

Publications (1)

Publication Number Publication Date
SU77176A1 true SU77176A1 (en) 1975-07-15

Family

ID=20436561

Family Applications (1)

Application Number Title Priority Date Filing Date
SU386600A SU77176A1 (en) 1948-10-28 1948-10-28 Electric drill with carborundum core drill bit

Country Status (1)

Country Link
SU (1) SU77176A1 (en)

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