CA291460A - Suction roll shell drilling - Google Patents

Suction roll shell drilling

Info

Publication number
CA291460A
CA291460A CA291460A CA291460DA CA291460A CA 291460 A CA291460 A CA 291460A CA 291460 A CA291460 A CA 291460A CA 291460D A CA291460D A CA 291460DA CA 291460 A CA291460 A CA 291460A
Authority
CA
Canada
Prior art keywords
suction roll
roll shell
shell drilling
drilling
suction
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
CA291460A
Other languages
French (fr)
Inventor
C. Burden Harry
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA291460A publication Critical patent/CA291460A/en
Expired legal-status Critical Current

Links

CA291460A Suction roll shell drilling Expired CA291460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291460T

Publications (1)

Publication Number Publication Date
CA291460A true CA291460A (en) 1929-07-16

Family

ID=35228272

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291460A Expired CA291460A (en) Suction roll shell drilling

Country Status (1)

Country Link
CA (1) CA291460A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11584614B2 (en) 2018-06-15 2023-02-21 Otis Elevator Company Elevator sensor system floor mapping

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11584614B2 (en) 2018-06-15 2023-02-21 Otis Elevator Company Elevator sensor system floor mapping

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