DE229992C - - Google Patents

Info

Publication number
DE229992C
DE229992C DENDAT229992D DE229992DA DE229992C DE 229992 C DE229992 C DE 229992C DE NDAT229992 D DENDAT229992 D DE NDAT229992D DE 229992D A DE229992D A DE 229992DA DE 229992 C DE229992 C DE 229992C
Authority
DE
Germany
Prior art keywords
drilling
spindles
cranks
workpiece
head
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.)
Active
Application number
DENDAT229992D
Other languages
German (de)
English (en)
Publication of DE229992C publication Critical patent/DE229992C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
    • B23B39/163—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles having crank pin transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
DENDAT229992D Active DE229992C (online.php)

Publications (1)

Publication Number Publication Date
DE229992C true DE229992C (online.php)

Family

ID=490246

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT229992D Active DE229992C (online.php)

Country Status (1)

Country Link
DE (1) DE229992C (online.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079274A (en) * 1989-03-15 1992-01-07 The Dow Chemical Company Process for preparing absorptive porous resin beads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079274A (en) * 1989-03-15 1992-01-07 The Dow Chemical Company Process for preparing absorptive porous resin beads

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