GB914868A - Light transmitting ceiling panel - Google Patents
Light transmitting ceiling panelInfo
- Publication number
- GB914868A GB914868A GB1982361A GB1982361A GB914868A GB 914868 A GB914868 A GB 914868A GB 1982361 A GB1982361 A GB 1982361A GB 1982361 A GB1982361 A GB 1982361A GB 914868 A GB914868 A GB 914868A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dimples
- light transmitting
- bottoms
- sheets
- intermediate sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920003023 plastic Polymers 0.000 abstract 2
- 239000004033 plastic Substances 0.000 abstract 2
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/006—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor for making articles having hollow walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/32—Translucent ceilings, i.e. permitting both the transmission and diffusion of light
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/326—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/54—Slab-like translucent elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/438—Joining sheets for making hollow-walled, channelled structures or multi-tubular 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/541—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles a substantially flat extra element being placed between and clamped by the joined hollow-preforms
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7336—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light
- B29C66/73365—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light
- B29C66/73366—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light both parts to be joined being transparent or translucent to visible light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/747—Lightning equipment
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/234—Sheet including cover or casing including elements cooperating to form cells
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
- Finishing Walls (AREA)
- Panels For Use In Building Construction (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
914,868. Light transmitting panels. WILSON, B. A. June 1, 1961 [June 1, 1960], No. 19823/61. Addition to 872,410. Class 75 (4). [Also in Groups VIII and X] A light-transmitting ceiling panel comprises upper and lower dimpled sheets 1, 3 of light transmitting plastic united for example by heat sealing, at the bottoms 11 of the dimples to opposite faces of an intermediate sheet 2 of light transmitting plastic, the dimples of the upper sheet 1 being located opposite the dimples of the lower sheet 2, and the side walls 13 and bottoms 11 of the dimples being thinner than the remaining parts of the dimpled sheets. The sheets 1, 3 are of flanged dished form with the dimples formed in the bottom wall 9 of the dished portion, the flanges 4 being united to opposite sides of the margin of the intermediate sheet 2. The flanges 4 may be dispensed with. Holes 12 may be formed through the bottoms of the dimples and the intermediate sheet 2 within the areas where the bottoms of the dimples are united to the intermediate sheet. The sheets may be formed of polyvinylchloride.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US746717A US2996609A (en) | 1958-07-07 | 1958-07-07 | Sheet panel |
US33318A US2996417A (en) | 1958-07-07 | 1960-06-01 | Luminous ceiling panel |
Publications (1)
Publication Number | Publication Date |
---|---|
GB914868A true GB914868A (en) | 1963-01-09 |
Family
ID=62526450
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22730/59A Expired GB872410A (en) | 1958-07-07 | 1959-07-02 | Light diffusing panels |
GB1982361A Expired GB914868A (en) | 1958-07-07 | 1961-06-01 | Light transmitting ceiling panel |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22730/59A Expired GB872410A (en) | 1958-07-07 | 1959-07-02 | Light diffusing panels |
Country Status (6)
Country | Link |
---|---|
US (2) | US2996609A (en) |
CH (1) | CH373886A (en) |
DE (1) | DE1422017A1 (en) |
ES (1) | ES267843A1 (en) |
FR (1) | FR1229409A (en) |
GB (2) | GB872410A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3996458A (en) * | 1974-02-25 | 1976-12-07 | Jones Terry D | Ceiling system |
US4023319A (en) * | 1975-06-09 | 1977-05-17 | Takao Kurata | Curtain wall assembly of interfitting glass blocks |
US4625470A (en) * | 1982-12-17 | 1986-12-02 | Intalite International N.V. | Openwork screen assembly |
WO1988008102A1 (en) * | 1987-04-06 | 1988-10-20 | Willumsen Sven A | Low-luminance grid for lighting fittings |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3140833A (en) * | 1961-08-11 | 1964-07-14 | Lightolier Inc | Ceiling fixture |
US3462330A (en) * | 1965-12-09 | 1969-08-19 | Woodall Industries Inc | Method for making a hollow plastic core structure |
US3525663A (en) * | 1967-03-09 | 1970-08-25 | Jesse R Hale | Anticlastic cellular core structure having biaxial rectilinear truss patterns |
US3600570A (en) * | 1967-12-11 | 1971-08-17 | Mitsubishi Rayon Co | Low glare louver |
US3834177A (en) * | 1972-12-07 | 1974-09-10 | Philco Ford Corp | Refrigerator cabinet structure and its manufacture |
NL8120461A (en) * | 1980-12-03 | 1982-10-01 | Willumsen Sven A | DOUBLE GRILLE FOR GAS DISCHARGE LAMPS. |
DE50113159D1 (en) * | 2000-05-10 | 2007-12-06 | Regent Beleuchtungskoerper Ag | Light distributor for a lighting device and lighting device and use of a lighting device |
US7658046B2 (en) * | 2001-09-11 | 2010-02-09 | Usg Interiors, Inc. | Moiré ceiling panels |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2410744A (en) * | 1938-11-10 | 1946-11-05 | Milton A Powers | Plastic product |
US2429482A (en) * | 1939-04-06 | 1947-10-21 | Munters Carl Georg | Method and means for the production of foil material |
US2695430A (en) * | 1947-01-18 | 1954-11-30 | F W Wakefield Brass Company | Luminous panel |
AT163515B (en) * | 1947-09-05 | 1949-07-11 | Stefan Vollmer | Hollow construction panel made of plastic, preferably compressed wood fiber |
US2481046A (en) * | 1947-11-13 | 1949-09-06 | Western Engineering Associates | Panel structure |
US2710335A (en) * | 1952-12-30 | 1955-06-07 | Cepco Inc | Light diffusing and sound absorbing unit |
US2803741A (en) * | 1953-10-01 | 1957-08-20 | Edwin F Guth | Ceiling illumination |
US2850109A (en) * | 1954-04-27 | 1958-09-02 | Benjamin Electric Mfg Co | Light-permeable sound-absorbing panel |
US2851390A (en) * | 1955-06-30 | 1958-09-09 | Marc A Chavannes | Fabric and method of manufacture |
US2860237A (en) * | 1956-07-11 | 1958-11-11 | Cell Ceiling Inc | Cellular diffusion panel |
US2913576A (en) * | 1957-03-18 | 1959-11-17 | Curtis Lighting Inc | Louver-diffuser |
-
1958
- 1958-07-07 US US746717A patent/US2996609A/en not_active Expired - Lifetime
-
1959
- 1959-07-02 GB GB22730/59A patent/GB872410A/en not_active Expired
- 1959-07-07 FR FR799502A patent/FR1229409A/en not_active Expired
- 1959-07-07 CH CH7541659A patent/CH373886A/en unknown
-
1960
- 1960-06-01 US US33318A patent/US2996417A/en not_active Expired - Lifetime
-
1961
- 1961-05-30 DE DE19611422017 patent/DE1422017A1/en active Pending
- 1961-05-31 ES ES0267843A patent/ES267843A1/en not_active Expired
- 1961-06-01 GB GB1982361A patent/GB914868A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3996458A (en) * | 1974-02-25 | 1976-12-07 | Jones Terry D | Ceiling system |
US4023319A (en) * | 1975-06-09 | 1977-05-17 | Takao Kurata | Curtain wall assembly of interfitting glass blocks |
US4625470A (en) * | 1982-12-17 | 1986-12-02 | Intalite International N.V. | Openwork screen assembly |
WO1988008102A1 (en) * | 1987-04-06 | 1988-10-20 | Willumsen Sven A | Low-luminance grid for lighting fittings |
Also Published As
Publication number | Publication date |
---|---|
CH373886A (en) | 1963-12-15 |
US2996609A (en) | 1961-08-15 |
US2996417A (en) | 1961-08-15 |
GB872410A (en) | 1961-07-12 |
ES267843A1 (en) | 1961-10-01 |
DE1422017A1 (en) | 1968-10-10 |
FR1229409A (en) | 1960-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB914868A (en) | Light transmitting ceiling panel | |
GB1214389A (en) | Improvements in or relating to sound attenuating panels | |
GB1174839A (en) | Siding Panel | |
GB1054412A (en) | ||
ATE6473T1 (en) | BUBBLE COLUMN WITH SUCTION DEVICE. | |
GB805978A (en) | Improvements relating to the roofs of buildings | |
GB1106853A (en) | Improvements relating to panels for cladding buildings | |
GB1093814A (en) | Improvements in corrugated roofing sheets | |
GB786415A (en) | Improvements relating to building units and to roofs, walls or partitions made therefrom | |
GB689314A (en) | Improvements in or relating to building components | |
CA751885A (en) | Honeycomb-cored panel with dimpled facing sheets | |
GB879545A (en) | Improvements in or relating to flexible receptacles | |
GB1087262A (en) | Method of making a former for making cavities in concrete | |
GB910096A (en) | Panelling for ceilings, walls, furniture and the like | |
GB1375245A (en) | ||
GB1187224A (en) | Cladding | |
GB1174504A (en) | Fabric Spreading and Feeding Device. | |
OA00687A (en) | Improvement in the continuous manufacturing processes of a glass sheet by drawing. | |
GB880253A (en) | Improvements in panel structures | |
GB1177784A (en) | Improvements in and relating to Walls | |
GB826688A (en) | Improvements in or relating to translucent panels | |
GB1141866A (en) | Improvements relating to wall elements with built-in door-frames | |
GB1075354A (en) | Improvements in suspended ceilings | |
GB866097A (en) | Improvements in or relating to prefabricated buildings | |
GB1127792A (en) | Improvements in flue systems for closed heating appliances |