CA2189952C - Joining means and method for cast panels - Google Patents
Joining means and method for cast panels Download PDFInfo
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- CA2189952C CA2189952C CA002189952A CA2189952A CA2189952C CA 2189952 C CA2189952 C CA 2189952C CA 002189952 A CA002189952 A CA 002189952A CA 2189952 A CA2189952 A CA 2189952A CA 2189952 C CA2189952 C CA 2189952C
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Abstract
In a preferred embodiment, a system (10) for joining first (12) and second (14) cast panels, including: first (20) and second (22) main structural members, cast into and extending along opposing, spaced apart edges of the first and second panels, respectively, and defining a cavity therebetween; a first locking member (90) engageable with upper portions of each of the first and second structural members to secure the first and second panels against movement toward or away from one another, a second locking member (124) engageable with medial portions of each of the first and second structural members; and a third locking member (120) extending between the first and second locking members to draw the first and second locking members together and lock together the first and second panels.
Description
WO 95130806 ~ ~ ~ ~ PCTIUS95/05864 Description Joining Means and Method for Cast Panels Technical Field ~ The present invention relates to panels employed in building construction generally and, more particularly, but not by way of limitation, to novel joining means and method for cast panels.
Background Art Prefabricated or cast-in-place concrete or composite-type panels are frequently used in building construction to form floors or other horizontal surfaces. Typically, such panels are adjacently placed in abutting, or nearly abutting relationship, on a grid of horizontal steel beams to form the horizontal surfaces. The voids between adjacent edges surfaces of panels are then partially, or wholly, filled with caulking compound.
A substantial problem with such construction methods is that one or more panels, having no positive interlocking means, are free to move substantially with respect to one or more other panels. Furthermore, the bare upper corners of the edge surfaces are vulnerable to spalling and breaking, thus creating an unaesthetic appearance.
Accordingly, it is a principal object of the present invention to provide means and method for joining cast panels that furnish positive interlocking of adjacent panels.
It is a further object of the invention to provide such means and method that furnish an aesthetic appearance.
R'O 95/30806 21 g 9 9 J L pCT~S95/05864
Background Art Prefabricated or cast-in-place concrete or composite-type panels are frequently used in building construction to form floors or other horizontal surfaces. Typically, such panels are adjacently placed in abutting, or nearly abutting relationship, on a grid of horizontal steel beams to form the horizontal surfaces. The voids between adjacent edges surfaces of panels are then partially, or wholly, filled with caulking compound.
A substantial problem with such construction methods is that one or more panels, having no positive interlocking means, are free to move substantially with respect to one or more other panels. Furthermore, the bare upper corners of the edge surfaces are vulnerable to spalling and breaking, thus creating an unaesthetic appearance.
Accordingly, it is a principal object of the present invention to provide means and method for joining cast panels that furnish positive interlocking of adjacent panels.
It is a further object of the invention to provide such means and method that furnish an aesthetic appearance.
R'O 95/30806 21 g 9 9 J L pCT~S95/05864
-2-It is another object of the invention to provide such means and method that prevents the spalling or cracking of upper corners of edge surfaces of the panels.
It is an additional object of the invention to provide such means that is economically manufactured.
Other objects of the present invention, as well as particular features, elements, and advantages thereof, will be elucidated in, or be apparent from, the following description and the accompanying drawing figures.
Disclosure of-Zrivention The present invention achieves the above objects, among others, by providing in a preferred embodiment, a system for joining first and second castpanels, comprising: first and second main structural members, cast into and extending along opposing, spaced apart edges of said first and second panels, respectively, and defining a cavity therebetween; a first locking member engagable with upper portions of each of said first and second structural members to secure said first and second panels against movement toward oraway from one another; a second locking member engagable with medial portions of each of said first-and second structural members; and a third locking member extending between said first and second locking members to draw said first and second locking members together and lock together said first and second panels.
-BriefDescription of Drawings Understanding of the present invention and the , various aspects thereof will be facilitated by reference to the accompanying drawing figures, submitted for CA 02189952 2005-O1-28 ' ' _3.
purposes of illustration only and not intended to define the scope of the invention, on which:
Fjg,~re 1 js a fragTnentary iscr~etric view, partjel~ly cut-av.~ay, of s panel joining system sccordi~g to s first e-nbod-:ent~ of the present jnvent;on.
F9 cure 2 is a frcc-:rentary, explodEd 3scmetrie view illustrating the Iockzng neaps of the panel jcir~ing syetem applied to a~ second e:r~od.:~n~ent of the prefent ipventi~on.
F~cure 3 is an end eleva,tic:~a1 vl.ew of t3-~e second' en~cdin~ent of tae panel j~oi~ing system. . ' Figure 4 3s an end eleveticnsl view of the first ' e.-nboci.~ent of the panel joining system.
fic~-~ure 5 is an end elel:atio pal. view of the second err~cd~.a:ent of the panel joining system. .
FSgure 6 is sn enlarged, end elevet3cr.~a1 view, in cross-section, of s retail of the panel joining system.
Best Mode for Carrying Out the Invention .
Reference should now be :~~ade to the. drEV.~ing fvcuxes, on which similar or adent~cal elements axe ' given consistent ldent~fyir.g r.~urr~erals throughout the ' v~icus f3c-~res~ thereof, and oa ~~7hlch parenthetical references to fjaure nu:,~ers direct the reader to the views) on ~.th5ch the eler,:e:a(s) being deFCribed is (are) best seen, slthc~~ch 'the elemerit(s) nay be seen also on ether views, ' Figure I illustrates the panel joining system of .
the present 3nve.nt,ioa, cenexally indicated by the reference numeral 10, shc~~n joining first and second panels 12 and 14. Peaels 12 and 34 may be cent cenczete panels o= other composite-type panels. Panel joining system 10 znclndes two mirror-gage, main structural ele:,~ents, oenerelly ind;ceted by t:he reference numerals wo ssisoso6 218 9 9 5 2 PCT~S951o5864 20 and 22, cast into, and extending along opposing, spaced apart edges of panels 12 and 14, respectively.
Structural elements 20 and 22 include, respectively, medial vertical walls 30 and 32, upper vertical walls 34 and 36, and lower vertical walls 38 and 40. Medial vertical walls 30 and 32 and upper vertical walls 34 and 36 are joined, respectively, by upwardly and outwardly extending joining walls 42 and 44. Two flanges 46 and 48 are formed, respectively, as vertical extensions of medial vertical walls 30 and 32 and extend somewhat above the upper surfaces of joining walls 42 and 44.
Medial vertical walls 30 and 32 and lower vertical walls 38 and 40 are joined, respectively, by channels 50 and 52 formed therebetween and extending into panels 12 and 14.
Extending downwardly and outwardly, respectively, from the junctions of joining walls 42 and 44 and upper walls 34 and 36 are two, main anchoring arms 60 and 62.
The distal ends of main anchoring arms 60 and 62 have, respectively, flanges 64 and 66 extending upwardly at 90 degrees from the edges thereof. Extending downwardly and outwardly, respectively, from the lower, external distal edges of channels 50 and 52 are two, secondary anchoring arms 70 and 72, having, respectively, flanges 74 and 76 extending upwardly at 90 degrees from the distal edges thereof. Anchoring arms 60, 62, 70, and 72 extend into panels 12 and 14 well away from the surfaces thereof to minimize the possibility of fracturing of the panels. Anchoring arms 60 and 62 have a plurality of apertures, as at 80, defined therethrough, and anchoring arms 70 and 72 have a plurality of apertures, as at 82, defined therethrough, the purpose of the apertures being , to ensure that the anchoring arms are well locked into _5_ the material of panels 12 and 14 and become integral elements thereof.
A horj2cntally extending locking cap 90 has four, spaced spurt vertical flanges 92 which engage flanges 46 and 48, thus locking together panels i2 and 14. A
horizontally extending, upper sealing cap 95, gen~eral3y~
flush with the upper.surfaces of panels 12 and 14.
extends over the upper space defined between structural r~en~ers 20 and 22 and 3s held therein by the engagement of two flanges 98 cepending from the distal edges of-the . .
sealing cap and engeging the inner surfaces of upper vertical walls 34 and 36. Saving upper vertical walls 34 and 36 extend to the Lpper surfaces of panels 12 end v 14 protects the upper corners of the panels from spelling or cracking.
Ribs, as at 100, formed on vertical walls 30 and 32, as illustrated in Figure 2, offer some structural rig-idity and/or anchoring enhancement; however, their pres-ence is due primarily to conventional considerations in de-signing the structural members for manufacture by extrusion.
Figure 2 illustrates a variation of panel joining system 10 (Figure lj, here generally indicated by the reference .numeral 10' . System 10' varies. froQt system 10 .
in that lower.vertical walls 38~ and 40' of structural ...
members 20' and 22" extend to the lower surfeces of panels 12 and 14. This protects the lower corners of p8nels 12 and 14 and pexmits the insertion therebetk'een of a lower sealing cap 110 v~Thich is held in place by the ..
engagement of upwardly extending flznges.lla with the inner surfaces of lok9er vertical walls 38~ and 40'.
This arrangement is desirable in installations in which the lov:ex surfaces of panels 12 and 14 are exposed.
F3g~,ize 2 also° illustxates the means by which locking cap 90 fs secured in place. ,A plurality of threaded.scxews~120 extend through holes 123 defined through locking cap 90 to threadingly engage locking lL~gs 126:. After insertion of the aforementioned .
el.err~ents_ between structur al .rr,e:r~ers 20' and 22',a locking lL~gs 124 are rotGted .,90 cegrees to the pcsitions shc~~n on F3gvre_3 and screws 120 further..advenced through threaded inserts 130 etteched to the lo~,er surfaces of the locking Iugs'to tightly ascots locking cap 90 to.
flanges 46 8nd ~~ End join together the.structural_ members.
Ficure 4 illustrates a technique fo= sealing the lok~er portion of the cavity cefir~ed between panels l2 and 14 ~~?:en joining system 10 (Figure 1) is employed.
~-:ere, a bond breaker X50 is'inserted tuts the cavity ser,ewhat 'inwardly 'from the lower surfaces of panels l2 end J9. Then, a bead cf cEUlk::ng ~:~ater,ial 152 3s pieced between tree loo=er surfs.ces of -panels 12. end 14 and bond breaker 150. Feeling the cavity.
Figure_5 3l3ustrstes a technigue fo= seali.ng the lever portion of the cavity defined between panels l2 End ld when joining system l0' (Firn:re 2} is employed.
~~ere, both lower trim cap 110 end bend breaker 150 with cEUlking Ih2 are e:r,ployed to.provide both sealing and an aesthetic eppearance. Siriilarly, caulking znsy be placed in the upper portscn of the cavity defined between panels 12 and 14 underneath upper Ee83ing cep 96.
Figure 6 illustrates the means by which lo~.~er trim cap 110 is held in the lok~er portion of the cavity cefined between panels 12 end 14. Fcr-r.~ed on the distal ends of flanges 1.12 are outwaxdly facing ridges 160 which engEge complen,ent~rily formed grooves defined in . the inner Furf~ces of lower vertical walls 38' and 40°
(only 38' shown).
W095130806 218 9 9 5 2 p~~595105864 _7_ With a grid of panels 12 and 14 locked together according to the present invention, the grid behaves as a single panel and relative movement between panels is greatly limited. The locking system compensates, to some extent, for imprecisely placed supporting steel . members. The finished margins of the panels have an aesthetic appearance and the edge corners of the panels are protected against spalling and cracking.
Structural members 20, 20', 22 and 22' are , preferably formed from a suitable metallic material by conventional extrusion techniques.
It will thus be seen that the objects set forth above, among those elucidated in, or made apparent from, the preceding description, are efficiently attained and, since certain changes may be made in the above construction without departing from the scope of the invention, it is intended that all matter contained in the above description or shown on the accompanying drawing figures shall be interpreted as illustrative only and not in a limiting sense.
It is also to be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described and all statements of the scope of the invention which, as a matter of language, might be said to fall therebetween.
It is an additional object of the invention to provide such means that is economically manufactured.
Other objects of the present invention, as well as particular features, elements, and advantages thereof, will be elucidated in, or be apparent from, the following description and the accompanying drawing figures.
Disclosure of-Zrivention The present invention achieves the above objects, among others, by providing in a preferred embodiment, a system for joining first and second castpanels, comprising: first and second main structural members, cast into and extending along opposing, spaced apart edges of said first and second panels, respectively, and defining a cavity therebetween; a first locking member engagable with upper portions of each of said first and second structural members to secure said first and second panels against movement toward oraway from one another; a second locking member engagable with medial portions of each of said first-and second structural members; and a third locking member extending between said first and second locking members to draw said first and second locking members together and lock together said first and second panels.
-BriefDescription of Drawings Understanding of the present invention and the , various aspects thereof will be facilitated by reference to the accompanying drawing figures, submitted for CA 02189952 2005-O1-28 ' ' _3.
purposes of illustration only and not intended to define the scope of the invention, on which:
Fjg,~re 1 js a fragTnentary iscr~etric view, partjel~ly cut-av.~ay, of s panel joining system sccordi~g to s first e-nbod-:ent~ of the present jnvent;on.
F9 cure 2 is a frcc-:rentary, explodEd 3scmetrie view illustrating the Iockzng neaps of the panel jcir~ing syetem applied to a~ second e:r~od.:~n~ent of the prefent ipventi~on.
F~cure 3 is an end eleva,tic:~a1 vl.ew of t3-~e second' en~cdin~ent of tae panel j~oi~ing system. . ' Figure 4 3s an end eleveticnsl view of the first ' e.-nboci.~ent of the panel joining system.
fic~-~ure 5 is an end elel:atio pal. view of the second err~cd~.a:ent of the panel joining system. .
FSgure 6 is sn enlarged, end elevet3cr.~a1 view, in cross-section, of s retail of the panel joining system.
Best Mode for Carrying Out the Invention .
Reference should now be :~~ade to the. drEV.~ing fvcuxes, on which similar or adent~cal elements axe ' given consistent ldent~fyir.g r.~urr~erals throughout the ' v~icus f3c-~res~ thereof, and oa ~~7hlch parenthetical references to fjaure nu:,~ers direct the reader to the views) on ~.th5ch the eler,:e:a(s) being deFCribed is (are) best seen, slthc~~ch 'the elemerit(s) nay be seen also on ether views, ' Figure I illustrates the panel joining system of .
the present 3nve.nt,ioa, cenexally indicated by the reference numeral 10, shc~~n joining first and second panels 12 and 14. Peaels 12 and 34 may be cent cenczete panels o= other composite-type panels. Panel joining system 10 znclndes two mirror-gage, main structural ele:,~ents, oenerelly ind;ceted by t:he reference numerals wo ssisoso6 218 9 9 5 2 PCT~S951o5864 20 and 22, cast into, and extending along opposing, spaced apart edges of panels 12 and 14, respectively.
Structural elements 20 and 22 include, respectively, medial vertical walls 30 and 32, upper vertical walls 34 and 36, and lower vertical walls 38 and 40. Medial vertical walls 30 and 32 and upper vertical walls 34 and 36 are joined, respectively, by upwardly and outwardly extending joining walls 42 and 44. Two flanges 46 and 48 are formed, respectively, as vertical extensions of medial vertical walls 30 and 32 and extend somewhat above the upper surfaces of joining walls 42 and 44.
Medial vertical walls 30 and 32 and lower vertical walls 38 and 40 are joined, respectively, by channels 50 and 52 formed therebetween and extending into panels 12 and 14.
Extending downwardly and outwardly, respectively, from the junctions of joining walls 42 and 44 and upper walls 34 and 36 are two, main anchoring arms 60 and 62.
The distal ends of main anchoring arms 60 and 62 have, respectively, flanges 64 and 66 extending upwardly at 90 degrees from the edges thereof. Extending downwardly and outwardly, respectively, from the lower, external distal edges of channels 50 and 52 are two, secondary anchoring arms 70 and 72, having, respectively, flanges 74 and 76 extending upwardly at 90 degrees from the distal edges thereof. Anchoring arms 60, 62, 70, and 72 extend into panels 12 and 14 well away from the surfaces thereof to minimize the possibility of fracturing of the panels. Anchoring arms 60 and 62 have a plurality of apertures, as at 80, defined therethrough, and anchoring arms 70 and 72 have a plurality of apertures, as at 82, defined therethrough, the purpose of the apertures being , to ensure that the anchoring arms are well locked into _5_ the material of panels 12 and 14 and become integral elements thereof.
A horj2cntally extending locking cap 90 has four, spaced spurt vertical flanges 92 which engage flanges 46 and 48, thus locking together panels i2 and 14. A
horizontally extending, upper sealing cap 95, gen~eral3y~
flush with the upper.surfaces of panels 12 and 14.
extends over the upper space defined between structural r~en~ers 20 and 22 and 3s held therein by the engagement of two flanges 98 cepending from the distal edges of-the . .
sealing cap and engeging the inner surfaces of upper vertical walls 34 and 36. Saving upper vertical walls 34 and 36 extend to the Lpper surfaces of panels 12 end v 14 protects the upper corners of the panels from spelling or cracking.
Ribs, as at 100, formed on vertical walls 30 and 32, as illustrated in Figure 2, offer some structural rig-idity and/or anchoring enhancement; however, their pres-ence is due primarily to conventional considerations in de-signing the structural members for manufacture by extrusion.
Figure 2 illustrates a variation of panel joining system 10 (Figure lj, here generally indicated by the reference .numeral 10' . System 10' varies. froQt system 10 .
in that lower.vertical walls 38~ and 40' of structural ...
members 20' and 22" extend to the lower surfeces of panels 12 and 14. This protects the lower corners of p8nels 12 and 14 and pexmits the insertion therebetk'een of a lower sealing cap 110 v~Thich is held in place by the ..
engagement of upwardly extending flznges.lla with the inner surfaces of lok9er vertical walls 38~ and 40'.
This arrangement is desirable in installations in which the lov:ex surfaces of panels 12 and 14 are exposed.
F3g~,ize 2 also° illustxates the means by which locking cap 90 fs secured in place. ,A plurality of threaded.scxews~120 extend through holes 123 defined through locking cap 90 to threadingly engage locking lL~gs 126:. After insertion of the aforementioned .
el.err~ents_ between structur al .rr,e:r~ers 20' and 22',a locking lL~gs 124 are rotGted .,90 cegrees to the pcsitions shc~~n on F3gvre_3 and screws 120 further..advenced through threaded inserts 130 etteched to the lo~,er surfaces of the locking Iugs'to tightly ascots locking cap 90 to.
flanges 46 8nd ~~ End join together the.structural_ members.
Ficure 4 illustrates a technique fo= sealing the lok~er portion of the cavity cefir~ed between panels l2 and 14 ~~?:en joining system 10 (Figure 1) is employed.
~-:ere, a bond breaker X50 is'inserted tuts the cavity ser,ewhat 'inwardly 'from the lower surfaces of panels l2 end J9. Then, a bead cf cEUlk::ng ~:~ater,ial 152 3s pieced between tree loo=er surfs.ces of -panels 12. end 14 and bond breaker 150. Feeling the cavity.
Figure_5 3l3ustrstes a technigue fo= seali.ng the lever portion of the cavity defined between panels l2 End ld when joining system l0' (Firn:re 2} is employed.
~~ere, both lower trim cap 110 end bend breaker 150 with cEUlking Ih2 are e:r,ployed to.provide both sealing and an aesthetic eppearance. Siriilarly, caulking znsy be placed in the upper portscn of the cavity defined between panels 12 and 14 underneath upper Ee83ing cep 96.
Figure 6 illustrates the means by which lo~.~er trim cap 110 is held in the lok~er portion of the cavity cefined between panels 12 end 14. Fcr-r.~ed on the distal ends of flanges 1.12 are outwaxdly facing ridges 160 which engEge complen,ent~rily formed grooves defined in . the inner Furf~ces of lower vertical walls 38' and 40°
(only 38' shown).
W095130806 218 9 9 5 2 p~~595105864 _7_ With a grid of panels 12 and 14 locked together according to the present invention, the grid behaves as a single panel and relative movement between panels is greatly limited. The locking system compensates, to some extent, for imprecisely placed supporting steel . members. The finished margins of the panels have an aesthetic appearance and the edge corners of the panels are protected against spalling and cracking.
Structural members 20, 20', 22 and 22' are , preferably formed from a suitable metallic material by conventional extrusion techniques.
It will thus be seen that the objects set forth above, among those elucidated in, or made apparent from, the preceding description, are efficiently attained and, since certain changes may be made in the above construction without departing from the scope of the invention, it is intended that all matter contained in the above description or shown on the accompanying drawing figures shall be interpreted as illustrative only and not in a limiting sense.
It is also to be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described and all statements of the scope of the invention which, as a matter of language, might be said to fall therebetween.
Claims (18)
1. A system for joining first and second cast panels, comprising:
(a) first and second main structural members, cast into and extending along opposing, spaced apart edges of said first and second panels, respectively, and defining a cavity therebetween;
(b) a first locking member engagable with upper portions of each of said first and second main structural members to secure said first and second panels against movement toward or away from one another;
(c) a second locking member engagable with medial portions of each of said first and second main structural members; and (d) a third locking member extending between said first and second locking members to draw said first and second locking members together and lock together said first and second panels.
(a) first and second main structural members, cast into and extending along opposing, spaced apart edges of said first and second panels, respectively, and defining a cavity therebetween;
(b) a first locking member engagable with upper portions of each of said first and second main structural members to secure said first and second panels against movement toward or away from one another;
(c) a second locking member engagable with medial portions of each of said first and second main structural members; and (d) a third locking member extending between said first and second locking members to draw said first and second locking members together and lock together said first and second panels.
2. A system, as defined in Claim 1, wherein: said second locking member is disposed so as to secure said first and second panels against movement toward each other.
3. A system, as defined in Claim 1, wherein: said first and second main structural members have main anchoring arms extending into said first and second cast panels, respectively, and terminating well away from surfaces of said first and second panels.
4. A system, as defined in Claim 1, wherein: said first and second main structural members extend fully the thickness of said first and second panels.
5. A system, as defined in Claim 1, wherein: said first and second main structural members extend less than fully the thickness of said first and second panels.
6. A system, as defined in Claim 1, wherein: said first locking member is a locking cap including a plate portion extending along and between said first and second main structural members and having four flanges depending therefrom to form first and second channels, said first and second channels closely fitting around said upper portions of said first and second main structural members, respectively, said upper portions comprising complementarily dimensioned flanges formed on said main structural members.
7. A system, as defined in Claim 1, wherein: said second locking member comprises a locking tab rotatable into first and second channels formed in said first and second main structural members, respectively, ends of said locking tab engaging bottoms of said channels when said locking tab is in place.
8. A system, as defined in Claim 7, wherein: said third locking member comprises a threaded fastener extending between said first locking member and said locking tab so as to tighten said locking tab against walls of said first and second channels.
9. A system, as defined in Claim 1, further comprising:
a first trim cap covering said cavity near said first locking means and generally flush with first surfaces of said first and second panels.
a first trim cap covering said cavity near said first locking means and generally flush with first surfaces of said first and second panels.
10. A system, as defined in Claim 9, further comprising:
a second trim cap covering said cavity away from said first locking means and generally flush with second surfaces of said first and second panels.
a second trim cap covering said cavity away from said first locking means and generally flush with second surfaces of said first and second panels.
11. A method for joining first and second cast panels, comprising:
(a) providing first and second main structural members, cast into and extending along opposing, spaced apart edges of said first and second panels, respectively, and defining a cavity therebetween;
(b) providing a first locking member engagable with upper portions of each of said first and second main structural members to secure said first and second panels against movement toward or away from one another;
(c) providing a second locking member engagable with medial portions of each of said first and second main structural members;
(d) providing a third locking member extending between said first and second locking members to draw said first and second locking members together and lock together said first and second panels; and (e) inserting said first, second, and third locking members into said cavity and drawing said first and second locking members together to lock together said first and second panels.
(a) providing first and second main structural members, cast into and extending along opposing, spaced apart edges of said first and second panels, respectively, and defining a cavity therebetween;
(b) providing a first locking member engagable with upper portions of each of said first and second main structural members to secure said first and second panels against movement toward or away from one another;
(c) providing a second locking member engagable with medial portions of each of said first and second main structural members;
(d) providing a third locking member extending between said first and second locking members to draw said first and second locking members together and lock together said first and second panels; and (e) inserting said first, second, and third locking members into said cavity and drawing said first and second locking members together to lock together said first and second panels.
12. A method, as defined in Claim 11, further comprising:
disposing said second locking member sa as to secure said first and second panels against movement toward each other.
disposing said second locking member sa as to secure said first and second panels against movement toward each other.
13. A method, as defined in Claim 11, further comprising:
providing said first and second main structural members with main anchoring arms extending into said first and second cast panels, respectively, and terminating well away from surfaces of said first and second panels.
providing said first and second main structural members with main anchoring arms extending into said first and second cast panels, respectively, and terminating well away from surfaces of said first and second panels.
14. A method, as defined in Claim 11, further comprising:
providing said first and second main structural members extending fully the thickness of said first and second panels.
providing said first and second main structural members extending fully the thickness of said first and second panels.
15. A method, as defined in Claim 11, further comprising:
providing said first and second main structural members extending less than fully the thickness of said first and second panels.
providing said first and second main structural members extending less than fully the thickness of said first and second panels.
16. A method, as defined in Claim 11, further comprising:
providing said first locking member as a locking cap including a plate portion extending along and between said first and second main structural members and having four flanges depending therefrom to form first and second channels, said first and second channels closely fitting around said upper portions of said first and second main structural members, respectively, said upper portion being provided as flanges formed on said main structural members.
providing said first locking member as a locking cap including a plate portion extending along and between said first and second main structural members and having four flanges depending therefrom to form first and second channels, said first and second channels closely fitting around said upper portions of said first and second main structural members, respectively, said upper portion being provided as flanges formed on said main structural members.
17. A method, as defined in Claim 11, further comprising:
providing said second locking member including a locking tab rotatable into first and second channels formed in said first and second main structural members, respectively, ends of said locking tab engaging bottoms of said channels when said locking tab is in place.
providing said second locking member including a locking tab rotatable into first and second channels formed in said first and second main structural members, respectively, ends of said locking tab engaging bottoms of said channels when said locking tab is in place.
18. A method, as defined in Claim 17, further comprising:
providing said third locking member as a threaded fastener extending between said first locking member and said locking tab so as to tighten said locking tab against walls of said first and second channels.
providing said third locking member as a threaded fastener extending between said first locking member and said locking tab so as to tighten said locking tab against walls of said first and second channels.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/240,258 | 1994-05-10 | ||
| US08/240,258 US5485704A (en) | 1994-05-10 | 1994-05-10 | Joining means and method for cast panels |
| PCT/US1995/005864 WO1995030806A1 (en) | 1994-05-10 | 1995-05-09 | Joining means and method for cast panels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2189952A1 CA2189952A1 (en) | 1995-11-16 |
| CA2189952C true CA2189952C (en) | 2005-11-15 |
Family
ID=35530875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002189952A Expired - Lifetime CA2189952C (en) | 1994-05-10 | 1995-05-09 | Joining means and method for cast panels |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2189952C (en) |
-
1995
- 1995-05-09 CA CA002189952A patent/CA2189952C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2189952A1 (en) | 1995-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20150511 |