US3026575A - Skylight structure and method of fabrication - Google Patents
Skylight structure and method of fabrication Download PDFInfo
- Publication number
- US3026575A US3026575A US699311A US69931157A US3026575A US 3026575 A US3026575 A US 3026575A US 699311 A US699311 A US 699311A US 69931157 A US69931157 A US 69931157A US 3026575 A US3026575 A US 3026575A
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- United States
- Prior art keywords
- blocks
- panel
- glass
- skylight
- frame
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- Expired - Lifetime
Links
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- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 3
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- ZKSPHENWXBWOPM-UHFFFAOYSA-N 2-methylprop-2-enoic acid oxochromium Chemical compound CC(=C)C(=O)O.O=[Cr] ZKSPHENWXBWOPM-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- DMYOHQBLOZMDLP-UHFFFAOYSA-N 1-[2-(2-hydroxy-3-piperidin-1-ylpropoxy)phenyl]-3-phenylpropan-1-one Chemical compound C1CCCCN1CC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 DMYOHQBLOZMDLP-UHFFFAOYSA-N 0.000 description 1
- BGAJNPLDJJBRHK-UHFFFAOYSA-N 3-[2-[5-(3-chloro-4-propan-2-yloxyphenyl)-1,3,4-thiadiazol-2-yl]-3-methyl-6,7-dihydro-4h-pyrazolo[4,3-c]pyridin-5-yl]propanoic acid Chemical compound C1=C(Cl)C(OC(C)C)=CC=C1C1=NN=C(N2C(=C3CN(CCC(O)=O)CCC3=N2)C)S1 BGAJNPLDJJBRHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
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- LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-UHFFFAOYSA-K 0.000 description 1
- 239000011636 chromium(III) chloride Substances 0.000 description 1
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- NRLCNVYHWRDHTJ-UHFFFAOYSA-L cobalt(2+);naphthalene-1-carboxylate Chemical compound [Co+2].C1=CC=C2C(C(=O)[O-])=CC=CC2=C1.C1=CC=C2C(C(=O)[O-])=CC=CC2=C1 NRLCNVYHWRDHTJ-UHFFFAOYSA-L 0.000 description 1
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- 239000005020 polyethylene terephthalate Substances 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/84—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined
- B29C70/845—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined by moulding material on a relative small portion of the preformed parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/46—Special adaptation of floors for transmission of light, e.g. by inserts of glass
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/023—Glazing
Definitions
- a skylight having a primarily plastic grid construction characterized by simplified assembly means which permit the skylight to be completely prefabricated into finished panel or slab form for subsequent ready application to a roof or wall opening, the skylight having superior light conducting properties with its gridwork com prising minimal exposed surface areas.
- Another object of the present invention is to provide a method of assembling a plurality of glass block units into durably and permanently retained form within a cast or molded framework which may be easily and effectively secured to a roof or wall opening.
- a further object of the present invention is to provide a novel method of molding a skylight having a plurality of glass blocks permanently retained in uniformly spaced, weathertight arrangement within a reinforced plastic grid.
- FIG. 1 is a perspective view of one embodiment of fabricating apparatus for forming the subject skylight panel.
- FIG. 2 is an elevational view partially in section of a portion of FIG. 1 illustrating the glass block assembly jig only for practicing the present method of fabrication.
- FIG. 3 is a perspective view of one form of the subject skylight structure installed within a roof opening.
- FIG. 4 is a fragmentary vertical sectional view of an edge portion of the skylight structure and roof opening taken along the lines 44 of FIG. 3.
- FIG. 5 is a fragmentary vertical sectional view of unsupported edges of two panels in side by-side bridged relationship.
- FIG. 6 is an enlarged fragmentary vertical sectional view of a single completed panel and mold side member.
- FIG. 7 is a view similar to FIG. 5 or" a modification of the joint between bridged panels.
- FIG. 8 is a view similar to FIG. 4 of another modification of the panel in skylighting arrangement.
- FIGS. 9, 10, 11 and 12 pictoriaily illustrate in stepwise sequence the present method of fabrication, with FIGS. 11 and 12 showing alternate methods of injecting the bonding material into the molding assembly.
- the present invention pertains to a skylight panel formed by the method hereinafter described.
- the preferred method utilizes square or rectangular hollow glass blocks, cells, or units having twin light-gathering and/or directing panels which are essentially planular on their exterior surfaces, the glass blocks being of approximately equal overall thickness.
- the interior surfaces of the block faces may be provided with light-controlling prismatic surfaces such as known in the art.
- the glass blocks may be formed having any desired pattern, shape, or configuration, for employment in this invention.
- a preferred form of the subject glass block panel consists of the blocks being arranged in adjacent relationship with minimized spacing between the extremities of adjacent blocks.
- each of the blocks 18 may be sprayed over its side surfaces with a layer (not shown) of metalorganic containing material such as tetrabutyl titanate solution, for example, to provide adhesion-promoting and bonding surfaces for joining organic moldable materials to the glass. It is preferred that only the sides of each block be coated with a thin layer of the material.
- the coating of tetrabutyl titanate can be deposited from an organic or aqueous solution, a solution of toluene being suitable as a carrier for the tetrabutyl titanate. The coating may be thermally cured on the glass surfaces by heating to about 250 F. for one hour.
- a coating of Volan which is Wernertype chromium complex may be sprayed from an aqueous solution ove rthe side surfaces of the blocks.
- the Volan comprises a methacrylato chromic chloride in isopropanol.
- certain silicones of the polysiloxane type such as Product No. Y-llOO sold by Linde Air Products Co., may be utilized to coat the block sides.
- Neoprene comprises a line of synthetic elastomers based on polymers of ehloroprene.
- the neoprene" coating over the blocks is considerably thicker than the first-applied metal-organic containing material and furnishes a cushioning layer which permits the glass blocks in panelized form to better withstand both changes in tempera ture as well as physical shock. Differences in coeflicients of thermal expansion and contraction between the glass and plastic molding materials can satisfactorily be tolerated with a layer having such resilient characteristics.
- the present method employs a jig assembly 10 mounted on an upright triangular supporting base 11 having a horizontally pivoted frame or yoke member 12 at its apex.
- the jig assembly 10 is rotatably mounted within yoke member 12 in diagonally retained relationship.
- a diagonal horizontal axis of the assembly is coincidental with the central axis of mounting frame or yoke member 12.
- Yoke 12 is supported on the stand or base 11 by outwardly extending support rods 13 which pass through and are rotatable in surrounding sleeves or brackets.
- the jig assembly 10 is formed of upper and lower glass block retention plates 14 and 15 respectively.
- Lower plate 15 is firmly attached to rotatable yoke 12 by a series of brackets and machine bolts designated by the numeral 15.
- the jig assembly 10 is illustrated in FIG. 1 in an upright position with diagonally opposed extremities in essentially vertical positions for the molding operation.
- bottom plate 15 is initially disposed in a horizontal position and a series of similar glass blocks 13 are arranged thereon in adjacent spaced-apart alignment.
- upper plate 14 and surrounding and enclosing mold frame 17 are brought into near relationship with lower plate 15 to completely enclose and surround the blocks 18.
- each of the revolution plates 14 and 15 is provided with a resilient layer 20 of sponge rubber, for example, coextensive with their molding area.
- Each layer 20 has an inner sheet or layer 21 of impervious unretractable materials such as polyethylene or Mylar film thereover which is also coextensive with the molding area.
- Mylar film consists of polyethylene terephthalate resin.
- Layer 21 is selected as one which is unreactable with the resinous bonding material 19 which comprises the gridwork and frame. The film 21 has outstanding strength, electrical properties and chemical inertness.
- strands 29 of glass fiber roving, for example, or other fibrous material are inserted into the open channels between and around the blocks 18.
- Strands 29 consist of bundles of glass fibers which may or may not be previously joined by a plastic material similar to bonding agent 19.
- uppermost plate 14 is brought into aligned position with the upper surfaces of the blocks 18, as shown in FIGS. 2 and 10.
- the assembly is drawn together by a series of machine bolts 22 located around and extending through openings in the periphery of the two plates 14 and 15. Other known clamping means could be substituted therefor.
- the resiliently-backed unreactable film 21 conforms to the entire light-transmitting face of each of the blocks 18.
- the perimeter of the panel 25 is formed by an annular member 17 which completely surrounds the exteriorly disposed sides of blocks 18 and is spaced therefrom to form a circumseribing frame.
- the width of member 17 may be substantially the same as the block thickness.
- Member 17 is also drawn tight between the two layers 21 of impervious film.
- Member 17 has an exteriorly extending enlarged area 17a near upper plate 14 which is applicable to forming a radial flange 19a around the molded panel 25.
- the enclosing frame 17 of the molding assembly 10 is provided with an internal coating 51 which consists of a mold release agent as shown in FIG. 6. Methyl cellulose or other material may be used for this purpose. Coating 51 furnishes an interface for the molding frame 17 to prevent bonding of the resinous material 19 thereto. Coating 51 may be comprised of a sheet similar to layer 21.
- the lower corner of jig assembly 10 is provided with an inlet 26 suitable for injecting a bonding material 19 into the open spaces between the series of retained blocks 18. capable of supplying the bonding material into the intersticcs or spaces between the blocks 18.
- Assembly 10 aiso provided with a venting outlet 28 diagonally oplnlet line 26 is connected to a containing vessel 27' posed from inlet 26 capable of dispelling and/or displacing air within the spaces between the blocks 18 during the insertion of the bonding material 19.
- the open spaces between the blocks are entirely air-tight except for the inlet 26 and outlet 28.
- the inlet line serves to introduce the resinous and/ or plastic material which comprises the panel frame and grid work. Assembly 10 is then rotated about one diagonal axis to place its opposite diagonal axis in a nearly vertical or upright position.
- the resinous material 19 contained within vessel 27 under pressure of approximately 610 lbs. is then forced upwardly through the inlet 26 to completely fill the open spaces between the blocks.
- the resinous material 19 consists of an epoxy or polyester resin.
- the resinous material is sufiiciently flowable to horizontally rise through the open spaces between the blocks which are retained in diagonally spaced relationship.
- the resinous material is allowed to completely fill the open area between the blocks 18.
- the resinous bonding material is utilized to completely fill the frame and ribs of the panel grid and is forced upwardly within the jig assembly until it is visible in either a sight glass or transparent section in the outlet line 28.
- the resinous material encompasses and surrounds the strands 29 of glass fiber roving which were previously inserted in the open spaces during the mounting of the blocks within the jig.
- the panel After the required amount of bonding material 19 is introduced, the panel is allowed to remain in an upright position for a short period of time and then is rotated back to its horizontal position. Bubbles of occluded or pocketed air are upwardly and outwardly displaced to the outer edges of the panel by following this procedure.
- the panel is allowed to remain within the jig for a period of at least an hour and perhaps several hours depending upon the selection of particular resinous bonding material. With proper control of temperature and humidity, the curing time of the resinous material may be modified to the most desirable setting condition.
- the resinous bonding material 19 consists of an epoxy or polyester resin, one example of the former being catalyzed diethylene triamine.
- a filler is also utilized along with the resin which may be fine sand or pulverized calcium carbonate, such as Surfex sold by the Minnesota Mining and Manufacturing Company. The preferred filler has a fineness of less than 400 mesh.
- a catalyst is normally employed along with the resinous material.
- the catalyst may be any suitable material designated for plasticizing the resin, one of which consists of cobalt naphthalate accelerator and Lupersol as a catalyst.
- the completed glass block panel 25 is installed within a roof opening.
- roof opening 30 is surrounded by a right-angled skylight support member 31 having an upper surface adapted to supporting the light-transmitting panel 25.
- Member 31 has a horizontal surface attached to the roof 35 around its opening 30.
- Flange 19a of the panel frame is supported by the upper surface of fixed support member 31.
- a continuous annular flashing 32 which extends downwardly and outwardly around the panel perimeter is employed to weatherseal the perimeter of the panel around the roof opening. Flashing 32 extends outwardly in its lower region intermediate of the roofing materials 34. The upper edge of the flashing 32 covers at least partially the upper surface of panel flange 19a.
- a triangularly-shaped annular layer 33 of insulating material is placed between support member 31 and flashing 32.
- the lower edges of the blocks and panel frame are supported by a channel member 40.
- the lengthwise space beneath the panel flanges 19a and above channel member 40 is filled with insulating material 42.
- the upper surfaces of at least a portion of adjacent panel flanges 19a are covered with a lengthwise section of flashing 41,
- a T-shaped member 40a is utilized to retain the lower surfaces of the panel frames.
- the interior space between the frames is filled with insulating material 42 and a layer of caulking compound 43 such as tough resilient cured polymers of synthetic rubber (Thiokol) is inserted between panel flanges 19a.
- FIG. 8 illustrates a modification of FIG. 4 in which the panel flange 19a is supported by a flashing member 36 having an outwardly curved, essentially horizontal supporting surface 36a upon which flange 19a rests.
- the lower extremity of flashing 36 extends outwardly intermediate of the roofing material 34.
- a similar layer 33a of insulating material is placed beneath flashing 36 surrounding the roof opening 30 in contact with the side surface of the panel frame.
- the bonding material 19 may be inserted into the jig assembly 10 by drawing a vacuum on outlet line 28a to reduce the internal pressure within the open spaces between blocks 18.
- the resinous material 19 is contained within an open container 27a and drawn into the open spaces through inlet line 26a.
- a sight glas may be provided in outlet line 28a to show when the jig assembly 10 is entirely filled.
- the bonding material is allowed to set to bind the blocks together. Th completed unitary panel is removed from the jig assembly for subsequent installation as a skylight structure.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Description
March 27, 1962 K. G. LUSHER ETAL 3,025,575
SKYLIGHT STRUCTURE AND METHOD OF FABRICATION Filed, Nov. 27, 1957 4 Sheets-Sheet 1 INVENTORS ATTORNEYS SKYLIGHT STRUCTURE AND METHOD OF FABRICATION Filed NQV. 2'7, 195'? March 1962 K. G. LUSHER ETAL 4 Sheets-Sheet 2 March 27, 1962 K. G. LUSHER ETAL 3,026,575
SKYLIGHT STRUCTURE AND METHOD OF FABRICATION Filed .NOV. 27, 1957 4 Sheets-Sheet 3 March 27, 1962 K. G. LUSHER ET AL SKYLIGHT STRUCTURE AND METHOD OF FABRICATION Filed. Nov. 27, 1957 4 Sheets-Sheet 4 INVENTORS ,L uum/re M //"Z /fd/77' BY 3 7- 67 J A a e f 40- QQM/Q/ ATTOQNE vs nite tates 3,026,575 SKYLIGHT STRUCTURE AND METHOD OF FABRICATION Kenneth G. Lusher Perrysburg, and Murray McDavitt and Harvard B. Vincent, Toledo, Ohio, assignors to owens-lllinois Glass Company, a corporation of Ohio Filed Nov. 27, 1957, Ser. No. 699,311 2 Claims. (CI. 18-59) metallic strips or elements arranuged in intersecting or interlocking relationship with each other to conjunctively form a frame and plurality of hollow individual cells. Into each cell is fitted a light-transmitting member preferably of glass or equivalent transparent and/or translucent material retained in place by cement or mortar.
These structures for application to roof or wall openings of simple construction have involved the utilization of a considerable number of grid parts to support the light-transmitting glass units or blocks by rather wide flanged metallic members grasping the lower corners or edges of each block. Thus, the amount of available light transmitting area per unit of skylight has been considerably reduced by the various forms of metal strut and cement gridwork utilized heretofore.
Accordingly, it is an object of the present invention to provide a skylight having a primarily plastic grid construction characterized by simplified assembly means which permit the skylight to be completely prefabricated into finished panel or slab form for subsequent ready application to a roof or wall opening, the skylight having superior light conducting properties with its gridwork com prising minimal exposed surface areas.
Another object of the present invention is to provide a method of assembling a plurality of glass block units into durably and permanently retained form within a cast or molded framework which may be easily and effectively secured to a roof or wall opening.
A further object of the present invention is to provide a novel method of molding a skylight having a plurality of glass blocks permanently retained in uniformly spaced, weathertight arrangement within a reinforced plastic grid.
The specific nature of this invention, as well as other objects and advantages thereof, will become apparent to those skilled in the art from the following detailed description, taken in conjunction with the annexed sheets of drawings on which, by way of preferred example only, are illustrated the preferred embodiments of this invention.
Referring to the accompanying drawings forming a part of this specification and in which like numerals designate like parts in all of the views:
FIG. 1 is a perspective view of one embodiment of fabricating apparatus for forming the subject skylight panel.
FIG. 2 is an elevational view partially in section of a portion of FIG. 1 illustrating the glass block assembly jig only for practicing the present method of fabrication.
FIG. 3 is a perspective view of one form of the subject skylight structure installed within a roof opening.
FIG. 4 is a fragmentary vertical sectional view of an edge portion of the skylight structure and roof opening taken along the lines 44 of FIG. 3.
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FIG. 5 is a fragmentary vertical sectional view of unsupported edges of two panels in side by-side bridged relationship.
FIG. 6 is an enlarged fragmentary vertical sectional view of a single completed panel and mold side member.
FIG. 7 is a view similar to FIG. 5 or" a modification of the joint between bridged panels.
FIG. 8 is a view similar to FIG. 4 of another modification of the panel in skylighting arrangement.
FIGS. 9, 10, 11 and 12 pictoriaily illustrate in stepwise sequence the present method of fabrication, with FIGS. 11 and 12 showing alternate methods of injecting the bonding material into the molding assembly.
The present invention pertains to a skylight panel formed by the method hereinafter described. The preferred method utilizes square or rectangular hollow glass blocks, cells, or units having twin light-gathering and/or directing panels which are essentially planular on their exterior surfaces, the glass blocks being of approximately equal overall thickness. The interior surfaces of the block faces may be provided with light-controlling prismatic surfaces such as known in the art. Otherwise, the glass blocks may be formed having any desired pattern, shape, or configuration, for employment in this invention.
A preferred form of the subject glass block panel consists of the blocks being arranged in adjacent relationship with minimized spacing between the extremities of adjacent blocks. Although the present invention will be described as pertaining to a skylight, it is fully contemplated that the panelized structure be equally applicable to a suitable wall or floor opening.
Before the glazing units are taken for assembly into panelized form, each of the blocks 18 may be sprayed over its side surfaces with a layer (not shown) of metalorganic containing material such as tetrabutyl titanate solution, for example, to provide adhesion-promoting and bonding surfaces for joining organic moldable materials to the glass. It is preferred that only the sides of each block be coated with a thin layer of the material. The coating of tetrabutyl titanate can be deposited from an organic or aqueous solution, a solution of toluene being suitable as a carrier for the tetrabutyl titanate. The coating may be thermally cured on the glass surfaces by heating to about 250 F. for one hour.
Alternatively, a coating of Volan which is Wernertype chromium complex may be sprayed from an aqueous solution ove rthe side surfaces of the blocks. The Volan comprises a methacrylato chromic chloride in isopropanol. Also, certain silicones of the polysiloxane type, such as Product No. Y-llOO sold by Linde Air Products Co., may be utilized to coat the block sides.
After the blocks are coated with the metal-organic containing material, if desired, the sides may or may not be spray-coated with a layer 50 of a synthetic elastomeric material such as neoprene as shown in FIG. 6. Neoprene comprises a line of synthetic elastomers based on polymers of ehloroprene. The neoprene" coating over the blocks is considerably thicker than the first-applied metal-organic containing material and furnishes a cushioning layer which permits the glass blocks in panelized form to better withstand both changes in tempera ture as well as physical shock. Differences in coeflicients of thermal expansion and contraction between the glass and plastic molding materials can satisfactorily be tolerated with a layer having such resilient characteristics.
Referring again to the drawings and particularly to FIG. 1, the present method employs a jig assembly 10 mounted on an upright triangular supporting base 11 having a horizontally pivoted frame or yoke member 12 at its apex. The jig assembly 10 is rotatably mounted within yoke member 12 in diagonally retained relationship. Thus, a diagonal horizontal axis of the assembly is coincidental with the central axis of mounting frame or yoke member 12. Yoke 12 is supported on the stand or base 11 by outwardly extending support rods 13 which pass through and are rotatable in surrounding sleeves or brackets.
The jig assembly 10 is formed of upper and lower glass block retention plates 14 and 15 respectively. Lower plate 15 is firmly attached to rotatable yoke 12 by a series of brackets and machine bolts designated by the numeral 15. The jig assembly 10 is illustrated in FIG. 1 in an upright position with diagonally opposed extremities in essentially vertical positions for the molding operation.
As shown pictorially in FIG. 9, bottom plate 15 is initially disposed in a horizontal position and a series of similar glass blocks 13 are arranged thereon in adjacent spaced-apart alignment. As shown in FIG. 10 upper plate 14 and surrounding and enclosing mold frame 17 are brought into near relationship with lower plate 15 to completely enclose and surround the blocks 18.
As shown in FIG. 2, the interior molding surface of each of the revolution plates 14 and 15 is provided with a resilient layer 20 of sponge rubber, for example, coextensive with their molding area. Each layer 20 has an inner sheet or layer 21 of impervious unretractable materials such as polyethylene or Mylar film thereover which is also coextensive with the molding area. Mylar film consists of polyethylene terephthalate resin. Layer 21 is selected as one which is unreactable with the resinous bonding material 19 which comprises the gridwork and frame. The film 21 has outstanding strength, electrical properties and chemical inertness.
After the glass blocks 18 are aligned on the resilient essentially plane surface of lower plate 15 with their lighttransmitting panels in contact with lower impervious film layer 21, strands 29 of glass fiber roving, for example, or other fibrous material are inserted into the open channels between and around the blocks 18. Strands 29 consist of bundles of glass fibers which may or may not be previously joined by a plastic material similar to bonding agent 19.
The similar interior facing of uppermost plate 14 is brought into aligned position with the upper surfaces of the blocks 18, as shown in FIGS. 2 and 10. The assembly is drawn together by a series of machine bolts 22 located around and extending through openings in the periphery of the two plates 14 and 15. Other known clamping means could be substituted therefor. When the plates 14 and 15 are drawn together, the resiliently-backed unreactable film 21 conforms to the entire light-transmitting face of each of the blocks 18. Also as shown in FIG. 2, the perimeter of the panel 25 is formed by an annular member 17 which completely surrounds the exteriorly disposed sides of blocks 18 and is spaced therefrom to form a circumseribing frame. The width of member 17 may be substantially the same as the block thickness. Member 17 is also drawn tight between the two layers 21 of impervious film. Member 17 has an exteriorly extending enlarged area 17a near upper plate 14 which is applicable to forming a radial flange 19a around the molded panel 25.
The enclosing frame 17 of the molding assembly 10 is provided with an internal coating 51 which consists of a mold release agent as shown in FIG. 6. Methyl cellulose or other material may be used for this purpose. Coating 51 furnishes an interface for the molding frame 17 to prevent bonding of the resinous material 19 thereto. Coating 51 may be comprised of a sheet similar to layer 21.
The lower corner of jig assembly 10 is provided with an inlet 26 suitable for injecting a bonding material 19 into the open spaces between the series of retained blocks 18. capable of supplying the bonding material into the intersticcs or spaces between the blocks 18. Assembly 10 aiso provided with a venting outlet 28 diagonally oplnlet line 26 is connected to a containing vessel 27' posed from inlet 26 capable of dispelling and/or displacing air within the spaces between the blocks 18 during the insertion of the bonding material 19.
When the jig assembly 10 has been drawn tight around the series of glass blocks 18, the open spaces between the blocks are entirely air-tight except for the inlet 26 and outlet 28. The inlet line serves to introduce the resinous and/ or plastic material which comprises the panel frame and grid work. Assembly 10 is then rotated about one diagonal axis to place its opposite diagonal axis in a nearly vertical or upright position. The resinous material 19 contained within vessel 27 under pressure of approximately 610 lbs. is then forced upwardly through the inlet 26 to completely fill the open spaces between the blocks.
The resinous material 19 consists of an epoxy or polyester resin. The resinous material is sufiiciently flowable to horizontally rise through the open spaces between the blocks which are retained in diagonally spaced relationship. The resinous material is allowed to completely fill the open area between the blocks 18. The resinous bonding material is utilized to completely fill the frame and ribs of the panel grid and is forced upwardly within the jig assembly until it is visible in either a sight glass or transparent section in the outlet line 28. The resinous material encompasses and surrounds the strands 29 of glass fiber roving which were previously inserted in the open spaces during the mounting of the blocks within the jig.
After the required amount of bonding material 19 is introduced, the panel is allowed to remain in an upright position for a short period of time and then is rotated back to its horizontal position. Bubbles of occluded or pocketed air are upwardly and outwardly displaced to the outer edges of the panel by following this procedure. The panel is allowed to remain within the jig for a period of at least an hour and perhaps several hours depending upon the selection of particular resinous bonding material. With proper control of temperature and humidity, the curing time of the resinous material may be modified to the most desirable setting condition.
As stated, the resinous bonding material 19 consists of an epoxy or polyester resin, one example of the former being catalyzed diethylene triamine. A filler is also utilized along with the resin which may be fine sand or pulverized calcium carbonate, such as Surfex sold by the Minnesota Mining and Manufacturing Company. The preferred filler has a fineness of less than 400 mesh. A catalyst is normally employed along with the resinous material. The catalyst may be any suitable material designated for plasticizing the resin, one of which consists of cobalt naphthalate accelerator and Lupersol as a catalyst.
After the panel 25 is allowed to set into integrally bonded form, the jig is removed therefrom,
As shown in FIG. 3, the completed glass block panel 25 is installed within a roof opening.
As shown in FIG. 4, roof opening 30 is surrounded by a right-angled skylight support member 31 having an upper surface adapted to supporting the light-transmitting panel 25. Member 31 has a horizontal surface attached to the roof 35 around its opening 30. Flange 19a of the panel frame is supported by the upper surface of fixed support member 31. A continuous annular flashing 32 which extends downwardly and outwardly around the panel perimeter is employed to weatherseal the perimeter of the panel around the roof opening. Flashing 32 extends outwardly in its lower region intermediate of the roofing materials 34. The upper edge of the flashing 32 covers at least partially the upper surface of panel flange 19a. A triangularly-shaped annular layer 33 of insulating material is placed between support member 31 and flashing 32.
As shown in FIG. 5, the unsupported edges of two panels 25 are illustrated in adjacent bridged relationship.
The lower edges of the blocks and panel frame are supported by a channel member 40. The lengthwise space beneath the panel flanges 19a and above channel member 40 is filled with insulating material 42. The upper surfaces of at least a portion of adjacent panel flanges 19a are covered with a lengthwise section of flashing 41,
As shown in FIG. 7 in another modification of adjacent unsupported edges of two panels 25, a T-shaped member 40a is utilized to retain the lower surfaces of the panel frames. The interior space between the frames is filled with insulating material 42 and a layer of caulking compound 43 such as tough resilient cured polymers of synthetic rubber (Thiokol) is inserted between panel flanges 19a.
FIG. 8 illustrates a modification of FIG. 4 in which the panel flange 19a is supported by a flashing member 36 having an outwardly curved, essentially horizontal supporting surface 36a upon which flange 19a rests. The lower extremity of flashing 36 extends outwardly intermediate of the roofing material 34. A similar layer 33a of insulating material is placed beneath flashing 36 surrounding the roof opening 30 in contact with the side surface of the panel frame.
In a modification of the invention shown in FIG. 12, the bonding material 19 may be inserted into the jig assembly 10 by drawing a vacuum on outlet line 28a to reduce the internal pressure within the open spaces between blocks 18. The resinous material 19 is contained within an open container 27a and drawn into the open spaces through inlet line 26a. A sight glas may be provided in outlet line 28a to show when the jig assembly 10 is entirely filled. The bonding material is allowed to set to bind the blocks together. Th completed unitary panel is removed from the jig assembly for subsequent installation as a skylight structure.
Various other modifications may be resorted to within the spirit and scope of the appended claims,
We claim:
1. In a method of fabricating a plurality of glass blocks having opposing planar faces and peripheral edges joining the faces into a composite unit, the steps of coating the peripheral edges of the blocks with glass-adherent elastomeric material, positioning the blocks in their finally assembled and spaced relation, enclosing the perimeter of the assembled blocks within a polygonal mold frame, sealing the interstices between adjacent coated block edges and between the block edges and the adjacent portions of the mold frame while maintaining interconnecting flow passages therebetween, positioning the mold frame with its assembled blocks so that a diagonal of the frame is vertical, injecting a liquid resinous bonding material into the sealed assembly through an aperture in the frame located at the lowermost extremity thereof so as to fill the sealed interstices by flow through said interconnecting passages, at least partially curing the bonding material to a solid state to secure the coated edges to one another through the bonding material and removing the mold frame to expose the complete composite unit.
2. The method of claim 1, wherein the interstices are partially filled with fibrous reinforcing material prior to sealing thereof, and the injection of the bonding material imbeds and impregnates the fibrous material therewith.
References Cited in the file of this patent UNITED STATES PATENTS 1,203,154 Stevenson 2. Oct. 31, 1916 1,601,029 Ligonnet Sept. 28, 1926 2,020,178 Haas Nov. 5, 1935 2,266,510 Pottinger Dec. 16, 1941 2,299,552 McGregor et a1 Oct. 20, 1942 2,402,717 Winer June 25, 1946 2,495,640 Muskat Jan. 24, 1950 2,544,668 Goebel et al Mar. 13, 1951 2,572,580 Almroth et al Oct. 23, 1951 2,610,593 Wasserman Sept. 16, 1952 2,677,165 Copenhauer et a1 May 4, 1954 2,751,321 Sans June 19, 1956 2,835,623 Vincent et a1 May 20, 1958
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US699311A US3026575A (en) | 1957-11-27 | 1957-11-27 | Skylight structure and method of fabrication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US699311A US3026575A (en) | 1957-11-27 | 1957-11-27 | Skylight structure and method of fabrication |
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US3026575A true US3026575A (en) | 1962-03-27 |
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US699311A Expired - Lifetime US3026575A (en) | 1957-11-27 | 1957-11-27 | Skylight structure and method of fabrication |
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Cited By (21)
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US3140566A (en) * | 1960-08-09 | 1964-07-14 | Tile Council Of America | Adhesive compositions |
US3174188A (en) * | 1962-01-30 | 1965-03-23 | Walter L Wood | Molds and process for using the same |
US3177273A (en) * | 1961-03-28 | 1965-04-06 | Minnesota Mining & Mfg | Method for making a ceramic tile faced panel |
US3287782A (en) * | 1963-09-05 | 1966-11-29 | Harry W Mcclarney | Apparatus to construct masonries |
US3364638A (en) * | 1965-08-02 | 1968-01-23 | Johnson & Johnson | Composite plastic and corrugated panel |
US3384955A (en) * | 1964-11-04 | 1968-05-28 | Trw Inc | Circuit board packaging techniques |
US3440315A (en) * | 1966-03-29 | 1969-04-22 | Excel Corp | Method of bedding panels into frames |
US3454692A (en) * | 1965-03-11 | 1969-07-08 | Donnelly Mirrors Inc | Method of forming vehicular rearview mirrors |
US3494086A (en) * | 1968-04-22 | 1970-02-10 | Architectural Res Corp | Panel construction and the method of making the same |
US4049368A (en) * | 1975-02-13 | 1977-09-20 | Burris Industries, Inc. | Apparatus for manufacturing furniture |
US4134431A (en) * | 1977-05-11 | 1979-01-16 | Owens-Corning Fiberglas Corporation | Method of and apparatus for molding spigot rings on pipe sections and product of the method |
US4273737A (en) * | 1975-02-13 | 1981-06-16 | Burris Industries, Inc. | Method and apparatus for manufacturing furniture |
US4496304A (en) * | 1981-02-04 | 1985-01-29 | Hendrik Bouwhuis | Mould for shaping synthetic material and mould for renovating a carrying board |
US4634140A (en) * | 1983-10-27 | 1987-01-06 | Fischer Gesellschaft M.B.H. | Process of manufacturing a ski and a ski which is manufactured by that process |
US4655473A (en) * | 1982-06-07 | 1987-04-07 | Realverbund | Process of manufacturing a ski |
US4770836A (en) * | 1985-06-27 | 1988-09-13 | Man Technologie Gmbh | Method for producing components with accurate surfaces |
US4886238A (en) * | 1988-02-25 | 1989-12-12 | Davis John M | Apparatus for molding footwear |
US5344603A (en) * | 1991-02-28 | 1994-09-06 | Webasto-Schade Gmbh | Process for the production of a cover unit with a seal for vehicle roofs and cover unit for vehicle roofs |
US6099779A (en) * | 1992-11-19 | 2000-08-08 | Webasto-Schade Gmbh | Process for manufacture of a cover for a vehicle roof |
US20050244651A1 (en) * | 2002-06-06 | 2005-11-03 | Basf Aktiengesellschaft | Method for producing composite elements |
US20180186108A1 (en) * | 2015-06-22 | 2018-07-05 | Valeo Systemes Thermiques | Fastening element, assembly comprising said fastening element, front end module comprising said fastening element, and method for fastening said fastening element |
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US3140566A (en) * | 1960-08-09 | 1964-07-14 | Tile Council Of America | Adhesive compositions |
US3177273A (en) * | 1961-03-28 | 1965-04-06 | Minnesota Mining & Mfg | Method for making a ceramic tile faced panel |
US3174188A (en) * | 1962-01-30 | 1965-03-23 | Walter L Wood | Molds and process for using the same |
US3287782A (en) * | 1963-09-05 | 1966-11-29 | Harry W Mcclarney | Apparatus to construct masonries |
US3384955A (en) * | 1964-11-04 | 1968-05-28 | Trw Inc | Circuit board packaging techniques |
US3454692A (en) * | 1965-03-11 | 1969-07-08 | Donnelly Mirrors Inc | Method of forming vehicular rearview mirrors |
US3364638A (en) * | 1965-08-02 | 1968-01-23 | Johnson & Johnson | Composite plastic and corrugated panel |
US3440315A (en) * | 1966-03-29 | 1969-04-22 | Excel Corp | Method of bedding panels into frames |
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US4049368A (en) * | 1975-02-13 | 1977-09-20 | Burris Industries, Inc. | Apparatus for manufacturing furniture |
US4134431A (en) * | 1977-05-11 | 1979-01-16 | Owens-Corning Fiberglas Corporation | Method of and apparatus for molding spigot rings on pipe sections and product of the method |
US4496304A (en) * | 1981-02-04 | 1985-01-29 | Hendrik Bouwhuis | Mould for shaping synthetic material and mould for renovating a carrying board |
US4655473A (en) * | 1982-06-07 | 1987-04-07 | Realverbund | Process of manufacturing a ski |
US4634140A (en) * | 1983-10-27 | 1987-01-06 | Fischer Gesellschaft M.B.H. | Process of manufacturing a ski and a ski which is manufactured by that process |
US4770836A (en) * | 1985-06-27 | 1988-09-13 | Man Technologie Gmbh | Method for producing components with accurate surfaces |
US4886238A (en) * | 1988-02-25 | 1989-12-12 | Davis John M | Apparatus for molding footwear |
US5344603A (en) * | 1991-02-28 | 1994-09-06 | Webasto-Schade Gmbh | Process for the production of a cover unit with a seal for vehicle roofs and cover unit for vehicle roofs |
US6099779A (en) * | 1992-11-19 | 2000-08-08 | Webasto-Schade Gmbh | Process for manufacture of a cover for a vehicle roof |
US20050244651A1 (en) * | 2002-06-06 | 2005-11-03 | Basf Aktiengesellschaft | Method for producing composite elements |
US7459115B2 (en) * | 2002-06-06 | 2008-12-02 | Basf Aktiengesellschaft | Method for producing composite elements |
US20180186108A1 (en) * | 2015-06-22 | 2018-07-05 | Valeo Systemes Thermiques | Fastening element, assembly comprising said fastening element, front end module comprising said fastening element, and method for fastening said fastening element |
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