One-piece dovetail veneer tie and wall anchoring system with in-cavity thermal breaks
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04B-001/38
E04C-005/00
E04B-001/76
E04B-001/41
E04B-001/98
E04B-002/30
출원번호
US-0046556
(2013-10-04)
등록번호
US-9038350
(2015-05-26)
발명자
/ 주소
Hohmann, Jr., Ronald P.
출원인 / 주소
Columbia Insurance Company
대리인 / 주소
Silber & Fridman
인용정보
피인용 횟수 :
0인용 특허 :
123
초록▼
A dovetail anchoring system for cavity walls is disclosed and includes a sheetmetal dovetail anchor and one-piece sheetmetal dovetail veneer tie. The anchoring system is used in conjunction with building structures that have a masonry outer wythe anchored to a poured masonry inner wythe. A thermally
A dovetail anchoring system for cavity walls is disclosed and includes a sheetmetal dovetail anchor and one-piece sheetmetal dovetail veneer tie. The anchoring system is used in conjunction with building structures that have a masonry outer wythe anchored to a poured masonry inner wythe. A thermally-isolating coating is optionally applied to the high-strength veneer tie, which is interconnected with the wall anchor. The thermally-isolating coating is selected from a distinct grouping of materials, that are applied using a specific variety of methods, in one or more layers and cured and cross-linked to provide high-strength adhesion. The thermally-coated veneer ties provide an in-cavity thermal break that severs the thermal threads running throughout the cavity wall structure, reducing the U- and K-values of the anchoring system by thermally-isolating the metal components.
대표청구항▼
1. A dovetail anchoring system for the interconnection of a masonry inner wythe and an outer wythe formed from a plurality of successive courses of masonry block with a bed joint, having a predetermined height, between each two adjacent courses, the inner wythe and the outer wythe in a spaced apart
1. A dovetail anchoring system for the interconnection of a masonry inner wythe and an outer wythe formed from a plurality of successive courses of masonry block with a bed joint, having a predetermined height, between each two adjacent courses, the inner wythe and the outer wythe in a spaced apart relationship the one with the other forming a cavity therebetween, the anchoring system comprising: a dovetail wall anchor configured to be secured within the inner wythe and constructed from a sheetmetal body having two major faces being the mounting surface and the outer surface, the wall anchor, in turn, comprising: a dovetail slot formed from the outer surface and extending the length of the outer surface; and,a sheetmetal veneer tie comprising: an insertion portion having a first end configured for securement within the outer wythe bed joint and a second end contiguous with the first end; and,an interconnecting portion contiguous with the second end and opposite the first end, the interconnecting portion configured to be adjustably mounted within the dovetail slot; and,a thermally-isolating coating disposed only on the insertion portion, the coating having low thermal conductivity and transmissivity, the coating forming a thermal break in the cavity;wherein upon installation within the anchoring system in the cavity wall, the veneer tie restricts thermal transfer between the veneer tie and the wall anchor and between the wall anchor and the veneer tie. 2. The anchoring system according to claim 1, wherein the thermally-isolating coating is one or more layers of a compound selected from the group consisting of thermoplastics, thermosets, natural fibers, rubbers, resins, asphalts, ethylene propylene diene monomers, and admixtures thereof. 3. The anchoring system according to claim 2, wherein the selected compound is an isotropic polymer selected from the group consisting of acrylics, nylons, epoxies, silicones, polyesters, polyvinyl chlorides, and chlorosulfonated polyethelenes. 4. The anchoring system according to claim 3, wherein the thermally-isolating coating is applied in layers including a prime coat; and wherein, upon curing, the outer layers of the thermally-isolating coating are cross-linked to the prime coat to provide high-strength adhesion to the veneer tie insertion portion first end. 5. The anchoring system according to claim 4, wherein the thermally-isolating coating reduces the K-value of the veneer tie to a level not to exceed 1.0 W/m K. 6. The anchoring system according to claim 4, wherein the thermally-isolating coating reduces the U-value of the veneer tie to a level not to exceed 0.35 W/m2K. 7. The anchoring system according to claim 4, wherein the thermally-isolating coating comprises a matte finish to securely hold to the bed joint and increase the strength and pullout resistance thereof. 8. The anchoring system according to claim 4, wherein the thermally-isolating coating is further applied to the insertion portion second end and the interconnecting portion. 9. The anchoring system of claim 4 wherein the veneer tie is a single construct. 10. The anchoring system of claim 9 wherein the veneer tie further comprises: a seismic notch formed from the insertion portion first end, the seismic notch dimensioned for a snap-fit relationship with a reinforcement wire; anda reinforcement wire disposed in the seismic notch;whereby upon insertion of the reinforcement wire in the seismic notch a seismic construct is formed. 11. The anchoring system of claim 10 wherein the seismic notch further comprises: two securement tabs set opposite each other; and,a securement depression, the securement depression contiguous with each of the two securement tabs forming a seat to accommodate the continuous wire. 12. The anchoring system of claim 11 wherein the dovetail anchor is a metal alloy constructed of material selected from a group consisting of mill galvanized steel, hot-dip galvanized steel, stainless steel, and bright basic steel. 13. The anchoring system of claim 12 wherein the veneer tie is a metal alloy constructed of material selected from a group consisting of mill galvanized steel, hot-dip galvanized steel, stainless steel, and bright basic steel. 14. The anchoring system of claim 13 wherein the inner wythe further comprises a layer of insulation selected from a group consisting of rigid insulation, board insulation, and spray-on insulation. 15. A veneer tie for use in a cavity wall to connect to a wall anchor to join an inner wythe and an outer wythe of the cavity wall, the veneer tie comprising: an insertion portion configured for securement within a bed joint of the outer wythe of the cavity wall;an interconnecting portion contiguous with the insertion portion, the interconnecting portion having a dovetail shape and being configured for mounting within a slot of the wall anchor; anda thermally-isolating coating disposed only on the insertion portion, the coating having low thermal conductivity and transmissivity, the coating being configured to reduce thermal transfer in the cavity wall between the veneer tie and the wall anchor when the veneer tie is attached to the wall anchor. 16. A unitary sheet metal veneer tie for use in a cavity wall to connect to a wall anchor to join an inner wythe and an outer wythe of the cavity wall, the veneer tie comprising: an insertion portion having a first end configured for securement within a bed joint of the outer wythe of the cavity wall and a second end contiguous with the first end, the first end of the insertion portion forming a notch configured to receive a reinforcement wire, the notch comprising a seat formed by bending a portion of the insertion portion out of plane, the seat having a first portion bent downward out of plane from the first end of the insertion portion and a second portion bent upward from the first portion, the seat being configured to receive the reinforcement wire the notch further comprising a first securement tab struck from the insertion portion, the first securement tab being positioned adjacent the seat and configured to retain the reinforcement wire in the seat and a second securement tab struck from the insertion portion, the second securement tab being positioned adjacent the seat opposite the first securement tab, such that the seat is positioned between the first and second securement tabs, the first and second securement tabs being configured to receive and retain the reinforcement wire, the first and second securement tabs being configured to be positioned on opposite sides of a longitudinal axis of the reinforcement wire; andan interconnecting portion contiguous with the second end of the insertion portion, the interconnecting portion having a dovetail shape and being configured for mounting within a slot of the wall anchor. 17. A veneer tie according to claim 16, further comprising a thermally-isolating coating disposed on the insertion portion, the coating having low thermal conductivity and transmissivity, the coating being configured to reduce thermal transfer in the cavity wall between the veneer tie and the wall anchor when the veneer tie is attached to the wall anchor. 18. A veneer tie according to claim 17, in combination with a dovetail wall anchor configured for securement within the inner wythe and having a dovetail slot configured to receive the interconnecting portion of the veneer tie.
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