WO1994028262B1 - Thermoplastic structural components and structures formed therefrom - Google Patents

Thermoplastic structural components and structures formed therefrom

Info

Publication number
WO1994028262B1
WO1994028262B1 PCT/CA1994/000274 CA9400274W WO9428262B1 WO 1994028262 B1 WO1994028262 B1 WO 1994028262B1 CA 9400274 W CA9400274 W CA 9400274W WO 9428262 B1 WO9428262 B1 WO 9428262B1
Authority
WO
WIPO (PCT)
Prior art keywords
component
walls
substrate
components
interlocked
Prior art date
Application number
PCT/CA1994/000274
Other languages
French (fr)
Other versions
WO1994028262A2 (en
WO1994028262A3 (en
Filing date
Publication date
Priority claimed from CA002097226A external-priority patent/CA2097226C/en
Priority to PL94311741A priority Critical patent/PL185131B1/en
Priority to RU95122586A priority patent/RU2126074C1/en
Priority to JP50004795A priority patent/JP3627053B2/en
Priority to RO95-02052A priority patent/RO117930B1/en
Priority to SK1465-95A priority patent/SK146595A3/en
Priority to AU67191/94A priority patent/AU680251B2/en
Priority to KR1019950705307A priority patent/KR100311301B1/en
Application filed filed Critical
Priority to DE69409378T priority patent/DE69409378T2/en
Priority to US08/553,415 priority patent/US5729944A/en
Priority to BR9406665A priority patent/BR9406665A/en
Priority to NZ266120A priority patent/NZ266120A/en
Priority to EP94915496A priority patent/EP0702742B1/en
Publication of WO1994028262A2 publication Critical patent/WO1994028262A2/en
Publication of WO1994028262A3 publication Critical patent/WO1994028262A3/en
Publication of WO1994028262B1 publication Critical patent/WO1994028262B1/en
Priority to FI955513A priority patent/FI109139B/en
Priority to BG100167A priority patent/BG61952B1/en
Priority to NO954802A priority patent/NO954802D0/en
Priority to HK98105462A priority patent/HK1006351A1/en

Links

Abstract

An elongated extruded thermoplastic building component for use in the erection of a thermoplastic building structure, said component (9) presenting spaced interlocking means (19) extending the length thereof for sliding interlocking engagement with mating thermoplastic member (13), and at least one longitudinally extending web (24) supporting said spaced interlocking means (19) in spaced relation with said web (24) having a plurality of openings (25) cut therethrough inwardly of said interlocking means (19) spaced along the length thereof. In its most common form the component (9) is extruded with a core (21) of reinforced thermoplastic material having a coextruded smooth skin (22) covering exposed surfaces thereof and is rectilinear having planar spaced walls (23) connected in spaced relation by spaced planar webs (24) extending the length thereof, with the spaced walls (23) being provided at least adjacent one longitudinal edge with spaced inwardly projecting interlocking means (19) extending longitudinally thereof for interengagement with a mating component, at least one of said webs (24) having a series of circular holes (25) cut out therefrom along the length thereof with the perimeters of said holes (25) being within the space between said inwardly projecting interlocking means (19).

Claims

AMENDED CLAIMS [received by the International Bureau on 20 January 1995 (20.01 .95) ; original claims 1 -45 replaced by new claims 1 -22 (4 pages)]
1. An elongated hollow generally rectilinear structural component (8, 8', 9, 9', 26, 27, 35, 35', 37, 40, 80) for use in the erection of a
thermoplastic building structure said component presenting planar spaced walls held in spaced relation by transverse walls or webs and having interlocking means extending the length thereof for interlockingly by engaging with mating components characterized in that said component is a coextrusion of a hollow substrate (10, 21) and a smooth protective skin (11, 22) covering said hollow substrate on surfaces which are exposed as exterior walls (13, 23) when said component is interlocked with mating components with said transverse walls or webs (12. 14, 24) which are interior walls when said component is interlocked with mating components having material cut out therefrom to provide a plurality of openings (17, 25) therethrough spaced along the length thereof and inwardly of said interlocking means (15, 19, 20) to provide interior communication between interlocked components, the material cut out from the walls or webs (12, 14, 24) providing material suitable for use in extruding the substrate of a subsequent component.
2. An elongated thermoplastic building component as claimed in Claim 1 characterized in that said substrate (10, 21) is a poly vinyl chloride containing a reinforcing and expansion controlling agent,
3. An elongated thermoplastic building component as claimed in Claim 2 characterized in that said substrate (10, 21) contains material cut out from the walls and webs of previously extruded components.
4. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that said reinforcing and expansion controlling agent in said substrate (10, 21) is selected from mineral fibers, glass fibers and calcium carbonate.
5. An elongated thermoplastic building component as claimed in any preceding claim characterized in that said openings are circular and have a diameter less than the spaces between said interlocking means (15, 19, 20).
6. An extruded thermoplastic building component as claimed in Claim 5 characterized in that said openings have unifonn diameters and are centered on a line located centrally between said spaced interlocking means (15, 19, 20) are uniformly spaced along said line, the diameter of said openings being equal to a major portion of, but less than, the distance between said spaced interlocking means.
7. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that said component comprises a longitudinal panel (8, 8', 9, 9', 26, 27, 35, 35', 37, 40, 80) and said transverse webs include webs (14) which extend across between said substantially planar walls and form the longitudinal edge walls of said panel and at least one web (12, 12') which defines internal compartments within said panel between said panel edge walls, and said interlocking means comprises inwardly projecting oppositely registering grooves (15) in said substantially planar walls adjacent each of said panel edge walls and extending throughout the length of said substantially planar walls, the spacing between said substantially planar walls being reduced outwardly of said grooves to provide a locking tongue (16) and said openings are provided in each of said webs.
8. An elongated thermoplastic building component as claimed in Claims 1 to 6 characterized in that said component comprises a box connector (9) in the form of an elongated hollow rectangle, two opposed walls (23) of which are constituted by said substantially planar walls, and two walls (24) of which are constituted by said transverse webs.
9. An elongated thermoplastic building component as claimed in Claim 1 characterized in that said component comprises a corner box connector (37) having openings (39) formed in the walls thereof which become internal walls when same is interlocked with mating components arranged in right angular relation.
10. An elongated thermoplastic building component as claimed in Claims 1 characterized in that said component is a three way box connector (35') having openings (25) formed in the walls thereof which become internal walls when same is interlocked with mating components.
11. An elongated thermoplastic building component as claimed in Claim 1 characterized in that said component comprises a four way box connector (4) having openings formed in the walls thereof which become internal walls when same is interlocked with mating components.
12. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that said smooth skin (11, 22) is selected from PVC, rigid PVC, semi-rigid PVC, ABS or polycarbonate
13. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that said substrate (5. 10, 21) comprises a polyvinyl chloride containing from about 5 to 50% calcium carbonate.
14. An elongated thermoplastic building component as claimed in Claim 13 characterized in that said substrate contains from about 5 to 30% calcium carbonate by weight
15. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that said skin (11, 22) has a thickness at least of the order of about .015 inches and said substrate (5, 10, 21) has a thickness of the order of at least about 4 to 5 times the thickness of said skin.
16. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that the spacing between opposing walls of each said component is of the order of several tens of times the combined thickness of said substrate (5, 10, 21) and skin (11, 22).
17. An elongated thermoplastic, building component as claimed in Claim 16 characterized in that the spacing between opposing walls of each said components is of the order of about 4 inches.
18. An elongated thermoplastic building component as claimed in any of the preceding claims characterized in that the amount of material cut from the walls or webs is a substantial proportion of the total amount of material in said component prior to removal of the cut out material.
19. An elongated thermoplastic building component as claimed in Claim 19 characterized in that said substantial proportion is of the order of up to about 25% by weight
20. A method of manufacturing hollow rectinlinear thermoplastic building components (8, 8', 9, 9', 26, 27, 35, 35', 37, 40, 80) adapted for interlocking engagement to form building structures characterized in that each said building component is extruded as a coextrusion of a substrate of thermoplastic material (10, 21) containing a reinforcing and expansion controlling agent and a smooth thermoplastic skin (11, 22) covering the walls of said component which are exposed as exterior walls (13, 23) when said component is interlocked with mating components, following said extrusion cutting openings (17, 25) through the walls of said component which form interior walls (12, 14, 24) when same is interlocked with mating components, and utilizing the material cut from said interior walls as substrate material in the extruding of a subsequent component.
21. A method as claimed in Claim 20 characterized in that said core material is a polyvinyl chloride containing a reinforcing and expansion controlling agent selected from calcium carbonate, mineral fibers, and small glass fibers.
22. A method as claimed in Claim 20 or 21 in which said smooth thermoplastic skin is selected from polyvinyl chloride, rigid polyvinyl chloride, ABS and polycarbonate. STATEMENT UNDER ARTICLE 19
The cited B.F. Goodrich Company reference EP AO 320745 has no relevance to the amended claims which call for the components to be a coextrusion of a hollow substrate and a smooth protective skin covering the substrate on surfaces which are exposed as exterior walls when the component is interlocked with mating components while the transverse walls which are interior walls when the component is interlocked with mating components have openings cut therefrom spaced along the length thereof. When applicant's component is assembled into a building structure, only the smooth protective skin is presented to the exterior to provide the requisite aesthetics and protection of the underlying substrate. The substrate on the other hand which is interior of the externally exposed surfaces when the component is interlocked with other components can include any suitable reinforcing and expansion controlling agents and can include reground or reprocessed material. Therefore the material cut from previously formed components is material suitable as substrate material without adversely affecting the aesthetics or weathering of the component due to the protective skin which covers off any and all imperfections and irregularities in the underlying substrate surface.
Thus by the provision of the holes, the amount of material required to manufacture the component is significantly reduced as is the weight of the component and this material is not wasted because it can be used as a source of substrate material for subsequently manufactured components. Further the provision of the openings in the interior walls of the structure formed by the interlocking components provides internal communication therebetween and allows, for example, the free flow of concrete between interlocked components forming the walls of the building to give permanency to the walls as well as permanency to the interlock between the
components.
The substantial cost savings achieved by the invention becomes a most important factor in reducing the costs of housing or other building structures.
The Goldbach FR A-2007695 reference is totally unrelated to an extruded product and has no pertinency to the above discussed features of applicant's invention.
PCT/CA1994/000274 1993-05-28 1994-05-25 Thermoplastic structural components and structures formed therefrom WO1994028262A2 (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
DE69409378T DE69409378T2 (en) 1993-05-28 1994-05-25 SUPPORTING THERMOPLASTIC ELEMENTS AND STRUCTURES MADE THEREOF
US08/553,415 US5729944A (en) 1993-05-28 1994-05-25 Thermoplastic structural components and structures formed therefrom
JP50004795A JP3627053B2 (en) 1993-05-28 1994-05-25 Thermoplastic structural component and structure formed thereby
RO95-02052A RO117930B1 (en) 1993-05-28 1994-05-25 Set of thermoplastic structural components for building structures and process for manufacturing said components
SK1465-95A SK146595A3 (en) 1993-05-28 1994-05-25 Longitudinal hollow, in general straight structural component and manufacturing process thereof
AU67191/94A AU680251B2 (en) 1993-05-28 1994-05-25 Thermoplastic structural components and structures formed therefrom
KR1019950705307A KR100311301B1 (en) 1993-05-28 1994-05-25 Thermoplastic Structural Materials and Structures Produced therefrom
BR9406665A BR9406665A (en) 1993-05-28 1994-05-25 Elongated hollow rectilinear and thermoplastic structural component and manufacturing process of construction rectilinear thermoplastic components
EP94915496A EP0702742B1 (en) 1993-05-28 1994-05-25 Thermoplastic structural components and structures formed therefrom
PL94311741A PL185131B1 (en) 1993-05-28 1994-05-25 Thermoplastic structural components and structures constructed of them
RU95122586A RU2126074C1 (en) 1993-05-28 1994-05-25 Thermoplastic construction components, their manufacture and assembly
NZ266120A NZ266120A (en) 1993-05-28 1994-05-25 Building components; comprises an elongated extruded thermoplastics component with spaced interlocking means for engagement with a mating member
FI955513A FI109139B (en) 1993-05-28 1995-11-15 Thermoplastic-based structural components and structures thereof
BG100167A BG61952B1 (en) 1993-05-28 1995-11-24 Thermoplastic building coponents and buildings employing them
NO954802A NO954802D0 (en) 1993-05-28 1995-11-27 Thermoplastic structural components and structures formed therefrom
HK98105462A HK1006351A1 (en) 1993-05-28 1998-06-17 Thermoplastic structural components and structures formed therefrom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002097226A CA2097226C (en) 1993-05-28 1993-05-28 Thermoplastic structural components and structures formed therefrom
CA2,097,226 1993-05-28

Publications (3)

Publication Number Publication Date
WO1994028262A2 WO1994028262A2 (en) 1994-12-08
WO1994028262A3 WO1994028262A3 (en) 1995-02-16
WO1994028262B1 true WO1994028262B1 (en) 1995-02-23

Family

ID=4151706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA1994/000274 WO1994028262A2 (en) 1993-05-28 1994-05-25 Thermoplastic structural components and structures formed therefrom

Country Status (34)

Country Link
US (1) US5729944A (en)
EP (2) EP0702742B1 (en)
JP (1) JP3627053B2 (en)
KR (1) KR100311301B1 (en)
CN (1) CN1082120C (en)
AT (2) ATE229112T1 (en)
AU (1) AU680251B2 (en)
BG (1) BG61952B1 (en)
BR (1) BR9406665A (en)
CA (2) CA2097226C (en)
CO (1) CO4370787A1 (en)
CZ (1) CZ314795A3 (en)
DE (2) DE69431849T2 (en)
DK (1) DK0702742T3 (en)
EC (1) ECSP941061A (en)
EG (1) EG20398A (en)
ES (2) ES2115234T3 (en)
FI (1) FI109139B (en)
HK (1) HK1006351A1 (en)
HU (1) HU214467B (en)
IN (1) IN189198B (en)
MX (1) MXPA94003998A (en)
NO (1) NO954802D0 (en)
NZ (1) NZ266120A (en)
OA (1) OA10246A (en)
PL (1) PL185131B1 (en)
PT (1) PT795654E (en)
RO (1) RO117930B1 (en)
RU (1) RU2126074C1 (en)
SG (1) SG48835A1 (en)
SK (1) SK146595A3 (en)
UA (1) UA46708C2 (en)
WO (1) WO1994028262A2 (en)
ZA (1) ZA943697B (en)

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