CA1126233A - Entretoise de contreventement pour tranchee - Google Patents

Entretoise de contreventement pour tranchee

Info

Publication number: CA1126233A
Authority: CA; Canada
Prior art keywords: spreader; lower extremity; assembly; extending; side walls
Prior art date: 1976-02-09
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

CA381,206A

Other languages

English (en)

Inventor

James L. Griswold

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

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.)

1976-02-09

Filing date

1981-07-06

Publication date

1982-06-22

1976-02-09 Priority claimed from US05/656,149 external-priority patent/US4019330A/en

1977-02-02 Priority claimed from CA270,911A external-priority patent/CA1106339A/fr

1981-07-06 Application filed by Individual filed Critical Individual

1981-07-06 Priority to CA381,206A priority Critical patent/CA1126233A/fr

1982-06-22 Application granted granted Critical

1982-06-22 Publication of CA1126233A publication Critical patent/CA1126233A/fr

Status Expired legal-status Critical Current

Links

239000002184 metal Substances 0.000 claims abstract description 33
210000003141 lower extremity Anatomy 0.000 claims abstract description 25
238000005299 abrasion Methods 0.000 claims abstract description 11
230000001154 acute effect Effects 0.000 claims description 2
230000013011 mating Effects 0.000 abstract description 6
239000011121 hardwood Substances 0.000 abstract description 2
238000005452 bending Methods 0.000 description 3
238000003466 welding Methods 0.000 description 3
230000000712 assembly Effects 0.000 description 2
238000000429 assembly Methods 0.000 description 2
238000004891 communication Methods 0.000 description 2
210000003414 extremity Anatomy 0.000 description 2
239000012530 fluid Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
238000009412 basement excavation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
238000009877 rendering Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
239000002023 wood Substances 0.000 description 1

Landscapes

Sewage (AREA)

CA381,206A 1976-02-09 1981-07-06 Entretoise de contreventement pour tranchee Expired CA1126233A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA381,206A CA1126233A (fr)	1976-02-09	1981-07-06	Entretoise de contreventement pour tranchee

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US05/656,149 US4019330A (en)	1976-02-09	1976-02-09	Trench shoring assembly with abrasion protection device
US656,149		1976-02-09
CA270,911A CA1106339A (fr)	1976-02-09	1977-02-02	Entretoise pour tranchees
CA381,206A CA1126233A (fr)	1976-02-09	1981-07-06	Entretoise de contreventement pour tranchee

Publications (1)

Publication Number	Publication Date
CA1126233A true CA1126233A (fr)	1982-06-22

Family

ID=27164896

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA381,206A Expired CA1126233A (fr)	1976-02-09	1981-07-06	Entretoise de contreventement pour tranchee

Country Status (1)

Country	Link
CA (1)	CA1126233A (fr)

1981
- 1981-07-06 CA CA381,206A patent/CA1126233A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1999-06-22	MKEX	Expiry