CA2174199C - Ame de porte coupe-feu - Google Patents

Ame de porte coupe-feu Download PDF

Info

Publication number
CA2174199C
CA2174199C CA 2174199 CA2174199A CA2174199C CA 2174199 C CA2174199 C CA 2174199C CA 2174199 CA2174199 CA 2174199 CA 2174199 A CA2174199 A CA 2174199A CA 2174199 C CA2174199 C CA 2174199C
Authority
CA
Canada
Prior art keywords
core
bubbles
gypsum
door
water
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 - Lifetime
Application number
CA 2174199
Other languages
English (en)
Other versions
CA2174199A1 (fr
Inventor
Jorgen O. Bernt
Kevin B. Langille
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.)
URSATECH LTD.
Original Assignee
J. O. BERNT & ASSOCIATES LIMITED
Pyrophobic Systems Ltd
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 US08/457,137 external-priority patent/US5558707A/en
Application filed by J. O. BERNT & ASSOCIATES LIMITED, Pyrophobic Systems Ltd filed Critical J. O. BERNT & ASSOCIATES LIMITED
Publication of CA2174199A1 publication Critical patent/CA2174199A1/fr
Application granted granted Critical
Publication of CA2174199C publication Critical patent/CA2174199C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Special Wing (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
CA 2174199 1995-06-01 1996-04-15 Ame de porte coupe-feu Expired - Lifetime CA2174199C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/457,137 US5558707A (en) 1994-05-23 1995-06-01 Fire door core
US08/457,137 1995-06-01

Publications (2)

Publication Number Publication Date
CA2174199A1 CA2174199A1 (fr) 1996-12-02
CA2174199C true CA2174199C (fr) 2006-02-07

Family

ID=23815586

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2174199 Expired - Lifetime CA2174199C (fr) 1995-06-01 1996-04-15 Ame de porte coupe-feu

Country Status (1)

Country Link
CA (1) CA2174199C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10975567B2 (en) 2017-12-21 2021-04-13 Reliance Worldwide Corporation Extendable sleeve for poured concrete deck

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9086174B2 (en) 2013-03-15 2015-07-21 Securus, Inc. Extendable sleeve for poured concrete deck
US9103116B2 (en) 2013-11-05 2015-08-11 Securus, Inc. Extendable sleeve for poured concrete deck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10975567B2 (en) 2017-12-21 2021-04-13 Reliance Worldwide Corporation Extendable sleeve for poured concrete deck
US11603659B2 (en) 2017-12-21 2023-03-14 Reliance Worldwide Corporation Cap for a tubular sleeve for a concrete structure

Also Published As

Publication number Publication date
CA2174199A1 (fr) 1996-12-02

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Effective date: 20160415