PL116271B1 - Gun-type feed unit for hydraulic props - Google Patents

Gun-type feed unit for hydraulic props Download PDF

Info

Publication number
PL116271B1
PL116271B1 PL20769278A PL20769278A PL116271B1 PL 116271 B1 PL116271 B1 PL 116271B1 PL 20769278 A PL20769278 A PL 20769278A PL 20769278 A PL20769278 A PL 20769278A PL 116271 B1 PL116271 B1 PL 116271B1
Authority
PL
Poland
Prior art keywords
sleeve
hull
channel
shaped
gun
Prior art date
Application number
PL20769278A
Other languages
English (en)
Polish (pl)
Other versions
PL207692A2 (de
Inventor
Antoni Didek
Jerzy Kostyrko
Edward Janik
Original Assignee
Ts Osrodek P K Maszyn Gorniczy
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 Ts Osrodek P K Maszyn Gorniczy filed Critical Ts Osrodek P K Maszyn Gorniczy
Priority to PL20769278A priority Critical patent/PL116271B1/pl
Priority to YU93779A priority patent/YU93779A/xx
Priority to AT351079A priority patent/AT364333B/de
Publication of PL207692A2 publication Critical patent/PL207692A2/xx
Publication of PL116271B1 publication Critical patent/PL116271B1/pl

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PL20769278A 1978-06-15 1978-06-15 Gun-type feed unit for hydraulic props PL116271B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL20769278A PL116271B1 (en) 1978-06-15 1978-06-15 Gun-type feed unit for hydraulic props
YU93779A YU93779A (en) 1978-06-15 1979-04-19 Asembly of control supply valves for individual hydraulic supports in mines
AT351079A AT364333B (de) 1978-06-15 1979-05-11 Ventilsatz fuer die speisung von einzelnen bergbau-hydraulikstempeln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20769278A PL116271B1 (en) 1978-06-15 1978-06-15 Gun-type feed unit for hydraulic props

Publications (2)

Publication Number Publication Date
PL207692A2 PL207692A2 (de) 1980-02-11
PL116271B1 true PL116271B1 (en) 1981-05-30

Family

ID=19989981

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20769278A PL116271B1 (en) 1978-06-15 1978-06-15 Gun-type feed unit for hydraulic props

Country Status (3)

Country Link
AT (1) AT364333B (de)
PL (1) PL116271B1 (de)
YU (1) YU93779A (de)

Also Published As

Publication number Publication date
PL207692A2 (de) 1980-02-11
ATA351079A (de) 1981-03-15
YU93779A (en) 1982-08-31
AT364333B (de) 1981-10-12

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20071231