CA495525A - Dispositif de creusage de puits - Google Patents

Dispositif de creusage de puits

Info

Publication number: CA495525A
Authority: CA; Canada
Prior art keywords: mucking device; shaft; shaft mucking; mucking
Prior art date: 1953-08-25
Legal status (The legal status 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 status listed.): Expired

Application number

CA495525A

Other languages

Inventor

S. Boland Calvin

Original Assignee

Boland Development Co Ltd

Publication date

1953-08-25

1953-08-25 Application granted granted Critical

1953-08-25 Publication of CA495525A publication Critical patent/CA495525A/fr

Status Expired legal-status Critical Current

CA495525A Dispositif de creusage de puits Expired CA495525A (fr)

Application Number	Priority Date	Filing Date	Title
CA495525T

Publication Number	Publication Date
CA495525A true CA495525A (fr)	1953-08-25

Application Number	Title	Priority Date	Filing Date
CA495525A Expired CA495525A (fr)			Dispositif de creusage de puits

Country	Link
CA (1)	CA495525A (fr)

Publication	Publication Date	Title
CA495525A (fr)	1953-08-25	Dispositif de creusage de puits
CA493636A (fr)	1953-06-16	Rotor
CA494477A (fr)	1953-07-14	Pointe de puits instantane
CA491384A (fr)	1953-03-17	Dispositif de commande d'arbre
CA498686A (fr)	1953-12-22	Dentifrices
CA563972A (fr)	1958-09-30	Protection de generateur de detecteur non balance
CA497670A (fr)	1953-11-10	Arbre expansible
AU158039B2 (en)	1953-04-16	Keyboard-actuated device
CA490889A (fr)	1953-03-03	Dispositif de nivellement de terrain
CA492231A (fr)	1953-04-21	Dispositif anti-explosif
CA498582A (fr)	1953-12-22	Dispositif capteur de brin
CA497547A (fr)	1953-11-10	Arbre flexible
CA495085A (fr)	1953-08-04	Mecanisme de mise en position d'arbre
CA490678A (fr)	1953-02-17	Mecanisme de mise en position d'arbres de commande
CA491514A (fr)	1953-03-24	Dispositifs anti-detonants
CA491515A (fr)	1953-03-24	Dispositifs anti-detonants
CA493656A (fr)	1953-06-16	Dispositifs anti-explosifs
CA493752A (fr)	1953-06-16	Dispositif de protection contre l'erosion et la corrosion
AU1580853A (en)	1953-04-16	Keyboard-actuated device
CA490503A (fr)	1953-02-10	Structure de rotor
CA489491A (fr)	1953-01-06	Transiteur
AU162459B2 (en)	1954-11-18	An improved pricetag
CA491505A (fr)	1953-03-24	Dispositif de commande de porte
AU164741B2 (en)	1954-01-07	Strathalbyn
CA494960A (fr)	1953-08-04	Scie de long