CA970768A - Labyrinth shaft seals for a paddle type concrete mixer - Google Patents

Labyrinth shaft seals for a paddle type concrete mixer

Info

Publication number
CA970768A
CA970768A CA202,781A CA202781A CA970768A CA 970768 A CA970768 A CA 970768A CA 202781 A CA202781 A CA 202781A CA 970768 A CA970768 A CA 970768A
Authority
CA
Canada
Prior art keywords
concrete mixer
type concrete
shaft seals
paddle type
labyrinth shaft
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
CA202,781A
Inventor
Jack F. Hall
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.)
U-CART CONCRETE SYSTEMS
Original Assignee
U-CART CONCRETE SYSTEMS
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
Priority claimed from CA140,444A external-priority patent/CA958697A/en
Application filed by U-CART CONCRETE SYSTEMS filed Critical U-CART CONCRETE SYSTEMS
Priority to CA202,781A priority Critical patent/CA970768A/en
Application granted granted Critical
Publication of CA970768A publication Critical patent/CA970768A/en
Expired legal-status Critical Current

Links

CA202,781A 1971-10-28 1974-06-19 Labyrinth shaft seals for a paddle type concrete mixer Expired CA970768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA202,781A CA970768A (en) 1971-10-28 1974-06-19 Labyrinth shaft seals for a paddle type concrete mixer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19347871A 1971-10-28 1971-10-28
CA140,444A CA958697A (en) 1971-10-28 1972-04-24 Sealed concrete mixing system
CA202,781A CA970768A (en) 1971-10-28 1974-06-19 Labyrinth shaft seals for a paddle type concrete mixer

Publications (1)

Publication Number Publication Date
CA970768A true CA970768A (en) 1975-07-08

Family

ID=27161944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,781A Expired CA970768A (en) 1971-10-28 1974-06-19 Labyrinth shaft seals for a paddle type concrete mixer

Country Status (1)

Country Link
CA (1) CA970768A (en)

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