CA1126236A - Entretoise de contreventement pour tranchee - Google Patents

Entretoise de contreventement pour tranchee

Info

Publication number: CA1126236A
Authority: CA; Canada
Prior art keywords: spreader; members; assembly; side walls; trench
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

CA381,209A

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 US05/656,127 external-priority patent/US4056938A/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 CA381,209A priority Critical patent/CA1126236A/fr

1982-06-22 Application granted granted Critical

1982-06-22 Publication of CA1126236A publication Critical patent/CA1126236A/fr

Status Expired legal-status Critical Current

Links

239000002184 metal Substances 0.000 claims abstract description 34
210000003141 lower extremity Anatomy 0.000 abstract description 11
230000013011 mating Effects 0.000 abstract description 6
238000005299 abrasion Methods 0.000 abstract description 3
239000011121 hardwood Substances 0.000 abstract description 2
238000005452 bending Methods 0.000 description 3
210000003414 extremity Anatomy 0.000 description 3
239000012530 fluid Substances 0.000 description 3
238000004891 communication Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
241000517645 Abra Species 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
238000009412 basement excavation Methods 0.000 description 1
230000007775 late Effects 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
238000003466 welding Methods 0.000 description 1
239000002023 wood Substances 0.000 description 1

Landscapes

Stackable Containers (AREA)

CA381,209A 1976-02-09 1981-07-06 Entretoise de contreventement pour tranchee Expired CA1126236A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA381,209A CA1126236A (fr)	1976-02-09	1981-07-06	Entretoise de contreventement pour tranchee

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US05/656,127 US4056938A (en)	1976-02-09	1976-02-09	Trench shoring assembly with rigid main frame support
US656,127		1976-02-09
CA270,911A CA1106339A (fr)	1976-02-09	1977-02-02	Entretoise pour tranchees
CA381,209A CA1126236A (fr)	1976-02-09	1981-07-06	Entretoise de contreventement pour tranchee

Publications (1)

Publication Number	Publication Date
CA1126236A true CA1126236A (fr)	1982-06-22

Family

ID=27164899

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA381,209A Expired CA1126236A (fr)	1976-02-09	1981-07-06	Entretoise de contreventement pour tranchee

Country Status (1)

Country	Link
CA (1)	CA1126236A (fr)

1981
- 1981-07-06 CA CA381,209A patent/CA1126236A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1999-06-22	MKEX	Expiry