ES8400531A1 - Trepano giratorio para roca mejorado. - Google Patents

Trepano giratorio para roca mejorado.

Info

Publication number
ES8400531A1
ES8400531A1 ES514313A ES514313A ES8400531A1 ES 8400531 A1 ES8400531 A1 ES 8400531A1 ES 514313 A ES514313 A ES 514313A ES 514313 A ES514313 A ES 514313A ES 8400531 A1 ES8400531 A1 ES 8400531A1
Authority
ES
Spain
Prior art keywords
cavity
bit
bearing
cutting element
bearings
Prior art date
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
ES514313A
Other languages
English (en)
Other versions
ES514313A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of ES514313A0 publication Critical patent/ES514313A0/es
Publication of ES8400531A1 publication Critical patent/ES8400531A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Rolling Contact Bearings (AREA)
  • Earth Drilling (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Saccharide Compounds (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

TREPANO GIRATORIO PARA ROCA.INCLUYE UNA CAVIDAD (27) DE COJINETES (28, 30, 32, 34) DE FORMA ANULAR ENTRE UNA PORCION DE EJE DEL CUERPO DEL TREPANO (10) Y UN ELEMENTO DE CORTE (20) MONTADO EN EL MISMO.UN MATERIAL PLASTICO (56) CONTENIENDO LUBRICANTE VA INTERPUESTO EN LA CAVIDAD ENTRE LOS COJINETES, LLENANDO PARCIALMENTE ESTA PARA LUBRICAR LOS COJINETES Y BLOQUEARLA CON EL FIN DE IMPEDIR LA TRANSMISION DEL FLUIDO BAJO PRESION A TRAVES DE ELLA.DICHO MATERIAL INCLUYE FIBRAS DE AGLOMERANTE DISPERSAS EN EL, LO QUE LE HACE FLEXIBLE Y PERMITE QUE SEA EXPULSADO PROGRESIVAMENTEDE LA CAVIDAD.
ES514313A 1981-07-24 1982-07-23 Trepano giratorio para roca mejorado. Expired ES8400531A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28631981A 1981-07-24 1981-07-24

Publications (2)

Publication Number Publication Date
ES514313A0 ES514313A0 (es) 1983-10-16
ES8400531A1 true ES8400531A1 (es) 1983-10-16

Family

ID=23098068

Family Applications (1)

Application Number Title Priority Date Filing Date
ES514313A Expired ES8400531A1 (es) 1981-07-24 1982-07-23 Trepano giratorio para roca mejorado.

Country Status (6)

Country Link
AU (1) AU8506282A (es)
CA (1) CA1171072A (es)
ES (1) ES8400531A1 (es)
NO (1) NO822537L (es)
ZA (1) ZA824299B (es)
ZM (1) ZM4682A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516640A (en) * 1983-12-08 1985-05-14 Santrade Ltd. Rotary drill bit

Also Published As

Publication number Publication date
AU8506282A (en) 1983-01-27
ES514313A0 (es) 1983-10-16
ZM4682A1 (en) 1984-09-21
CA1171072A (en) 1984-07-17
NO822537L (no) 1983-01-25
ZA824299B (en) 1983-04-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000201