PL53550B1 - - Google Patents

Info

Publication number

PL53550B1

PL53550B1 PL107451A PL10745165A PL53550B1 PL 53550 B1 PL53550 B1 PL 53550B1 PL 107451 A PL107451 A PL 107451A PL 10745165 A PL10745165 A PL 10745165A PL 53550 B1 PL53550 B1 PL 53550B1

Authority

PL

Poland

Prior art keywords

beams

shifter

mkp

catches

ceiling

Prior art date

1965-02-13

Links

• Espacenet
• Global Dossier
• Discuss

• 239000007787 solid Substances 0.000 claims description 7
• 230000000284 resting effect Effects 0.000 claims description 4
• 210000000078 claw Anatomy 0.000 claims description 3
• 238000000034 method Methods 0.000 claims description 3
• 230000003014 reinforcing effect Effects 0.000 claims description 2
• 238000006748 scratching Methods 0.000 claims description 2
• 230000002393 scratching effect Effects 0.000 claims description 2
• 229910000831 Steel Inorganic materials 0.000 description 12
• 239000010959 steel Substances 0.000 description 12
• 238000005065 mining Methods 0.000 description 5
• 230000004224 protection Effects 0.000 description 5
• 238000005253 cladding Methods 0.000 description 4
• 239000000463 material Substances 0.000 description 4
• 238000009412 basement excavation Methods 0.000 description 3
• 238000010276 construction Methods 0.000 description 3
• 239000011435 rock Substances 0.000 description 3
• 238000005096 rolling process Methods 0.000 description 3
• 239000011449 brick Substances 0.000 description 2
• 230000007794 irritation Effects 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 230000003245 working effect Effects 0.000 description 2
• 239000011230 binding agent Substances 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 238000010304 firing Methods 0.000 description 1
• 210000001061 forehead Anatomy 0.000 description 1
• 238000005242 forging Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1
• 238000004904 shortening Methods 0.000 description 1
• 230000007306 turnover Effects 0.000 description 1
• 230000000007 visual effect Effects 0.000 description 1
• 239000002023 wood Substances 0.000 description 1