|
Match
|
Document |
Document Title |
|
|
7805962 |
Device and method for thermally pre-stressing elongated hollow objects
A device and a method for thermal pre-stressing lengthy hollow objects, in particular glass tubes, are disclosed. The device comprises a heating device, a fixture for receiving an object, and a...
|
|
|
7694532 |
System and method for tempering glass containers
A system and method is provided for tempering a glass container. The method includes the steps of pre-heating the glass container to a first predetermined temperature. The method also includes the...
|
|
|
7207193 |
Method of fabricating low-warp flat glass
A method of fabricating a glass sheet comprises modifying the thermal stress in the glass such that it is a tensile stress or substantially zero stress in a particular temperature zone of the...
|
|
|
7127918 |
Method and apparatus for heating glass sheets in preparation of tempering
A method and apparatus for heating glass sheets in preparation of tempering. A furnace (1) is provided with upper and lower convection blasting conduits (11, 14) extending lengthwise of the...
|
|
|
6986268 |
Method for the preparation of plate glass having low residual stress
A flat glass plate having a low residual stress, suitable for use in preparing a display, can be prepared without an annealing or polishing process by way of controlling the horizontal temperature...
|
|
|
6845633 |
Method and apparatus for heating glass panels in a tempering furnace equipped with rollers
In a method and an apparatus for heating glass panels in a tempering furnace equipped with rollers, glass panels are carried on a conveyor defined by rollers into a tempering furnace for the...
|
|
|
6656597 |
Laminated glass and glass plate used for producing laminated glass
A glass plate has a thickness of from 1.5 to 3 mm, and it has a peripheral region having a predetermined width along the edge line of the plate and having its principal stress difference of...
|
|
|
6574992 |
Method and device for curving and tempering a glass sheet
During a process for bending and quenching a window pane, the latter is bent to the desired shape using a forming frame. Next, by means of this same forming frame, the entire surface of both sides...
|
|
|
6490888 |
Semi-convective forced air method for tempering low “E” coated glass
A method of heating low emissivity glass sheet for subsequent processing. The glass sheet is loaded onto a longitudinally extending conveyor and oriented such that the lengthwise edge of the sheet...
|
|
|
6412309 |
Glass quenching apparatus
A glass quenching apparatus for quenching a glass sheet heated to a predetermined temperature, includes a first nozzle group for jetting blower air onto opposite surfaces of the glass sheet, and a...
|
|
|
6408649 |
Method for the rapid thermal treatment of glass and glass-like materials using microwave radiation
A method of thermally treating a glass or glass-like material, preferably a glass sheet, without the use of conventional tunnel-type furnaces, to effect rapid heating of glass and glass-like...
|
|
|
6319612 |
Glass and glass ceramic plates with elevated thermal stability and process for their production
Glass or glass ceramic plates with elevated thermal resistance and process for their production. After cooling, the glass or glass ceramic plates are subjected to zone annealing, whereby the plates...
|
|
|
6295842 |
Uniform distribution quenching of formed glass sheets
A glass sheet quench unit (22) and method for quenching formed glass sheets by quench gas jets (40) that define a uniformly repeating gas jet impingement pattern (44) that is an equilateral...
|
|
|
6094943 |
Toughened glass sheet
A toughened glass sheet for use as a windowpane of an automotive vehicle. The toughened glass sheet has a thickness ranging from 2.5 mm to 3.1 mm and has a first characteristic that a number of...
|
|
|
6079227 |
Method for manufacturing bent and tempered glass sheet and apparatus for manufacturing the same
In a quenching apparatus for quenching a glass sheet that has been heated and bent in a heating furnace, a cooling gas blows onto the glass sheet to provide a distribution of a temperature and/or a...
|
|
|
5968220 |
Process for modulated cryogenic quenching of glass sheets
A process and apparatus (26) for quenching a heated glass sheet by directing modulated cryogenic flows (36) that is initially completely liquid (42) toward the oppositely facing surfaces (38) of...
|
|
|
5938808 |
Process for cryogenically quenching glass sheets
A process for quenching a heated glass sheet is performed by apparatus (26) that includes a pair of quench units (28) between which the glass sheet is located with each quench unit having nozzles...
|
|
|
5939175 |
Method of finishing heat-reinforced plate glass and edge regions thereof
Diclosed is a plate glass wherein surfaces (3a) of plate glass (3) are formed flat and finished with a maximum surface ruggedness not exceeding 0.05 mm, and boundaries (3c) between end surfaces...
|
|
|
5938810 |
Apparatus for tempering and bending glass
A method of and apparatus for bending and tempering a sheet of glass heated to a formable state provides an improved rigid mold and pressing member for pressing the heated sheet against the rigid...
|
|
|
5931981 |
Process for quenching glass sheets with a cryogenic liquid and pressurized air
A process for quenching heated glass sheets is performed by locating a glass sheet between a pair of spaced quench units (28) and directing from first and second arrays of nozzles (34, 64)...
|
|
|
5865866 |
Method for controlling stresses in a formed glass sheet
A cooling ring assembly (20) and method for controlling stresses in a bent glass sheet G produce a strengthened bent glass sheet after the cooling is completed. The cooling ring assembly includes a...
|
|
|
5837026 |
Method for producing a glass panel for a cathode ray tube
Air is blowed before an annealing step to corner portions in an inner face portion of a glass panel which has been press-formed in a mold to cool that portions to be stronger than the other portion...
|
|
|
5735923 |
Method of and apparatus for cooling and tempering a glass plate
A glass plate is cooled and strengthened by placing the glass plate on a cooling ring in a substantially horizontal state and jetting out cooling air at upper and lower sides of the glass plate by...
|
|
|
5679124 |
Cooling ring assembly for controlling stresses in a formed glass sheet
A cooling ring assembly (20) and method for controlling stresses in a bent glass sheet G produce a strengthened bent glass sheet after the cooling is completed. The cooling ring assembly includes a...
|
|
|
5620492 |
Apparatus for quenching glass
Quenching apparatus (12) for use in glass heat treatment apparatus comprises a plurality of air flow amplifiers (32) carried on manifolds (26, 28) and arranged in arrays to direct cooling air onto...
|
|
|
5547409 |
Manufacturing method of picture tube
A glass bulb is physically reinforced to provide a tensile stress in the nearly central portion of wall thickness in the wall thickness direction and to provide a compressive stress on the surface....
|
|
|
5536581 |
Method for cooling a glass sheet
A glass sheet annealing ring includes an insulating ring juxtaposed the inboard periphery of the annealing ring for reducing the cooling rate of the glass sheet in proximity to the insulating ring...
|
|
|
5484657 |
Glazing pane and method for its production
A method for the preparation of glass sheets with a view to laminating them consists of curving the glass sheets by causing them to pass one after another along a curved trajectory, then cooling...
|
|
|
5385786 |
Apparatus and method for controlling stresses in laminated automotive glass
A glass sheet annealing ring includes an insulating ring juxtaposed the inboard periphery of the annealing ring for reducing the cooling rate of the glass sheet in proximity to the insulating ring...
|
|
|
5334234 |
Nozzle assembly for a flat-glass tempering machine
The invention relates to a nozzle assembly for a flat-glass tempering machine. A nozzle cover (2) includes two types of orifices side by side. A number of orifices (7, 8) are linked to the pressure...
|
|
|
5145437 |
Faceplate stress-relief in tension mask color cathode ray tube manufacture
An apparatus for use in the manufacture of a color cathode ray tube that includes a faceplate with a screen embraced by which rails support a flat tension mask. The apparatus includes a radiant...
|
|
|
5127932 |
Method for toughening glass sheet
The invention relates to a method of toughening a glass sheet by heating it to a temperature above the strain point and quenching the heat glass sheet while it is advancing horizontally by blowing...
|
|
|
5053069 |
Process and device for bending and tempering by contact
Glazings are preshaped before putting them through a step of tempering by contact. In a preferred variant, tempering by contact is applied only the central area of the glazing and the marginal zone...
|
|
|
5009694 |
Method for heat treatment of glass plate to strengthen its peripheral region
The invention relates to heat treatment of a glass plate for strengthening only a peripheral region of the glass plate while annealing the major region. The glass plate is heated to a temperature...
|
|
|
4946491 |
Method and apparatus for glass tempering
An improved glass tempering apparatus and method is disclosed. A glass sheet is quenched by heating the glass sheet and horizontally transferring the sheet on a roller conveyor into a quenching...
|
|
|
4888038 |
Apparatus and method for tempering glass sheets
A manufacturing line for tempering glass sheets includes a furnace, an oven, a bending station, and a chilling section positioned in order along a generally horizontally extending conveyor for the...
|
|
|
4871385 |
Process and device for cooling of sheets of bent glass so as to produce edge stresses
Compression stresses are formed on the periphery of a glass sheet by blowing cooling air on the periphery of the heated glass sheet. The cooling air is blown by using a pyramidal deflector to...
|
|
|
4826522 |
Method and apparatus for making contact-tempered glass sheets with reinforced edge stresses
The invention relates to the tempering of sheets of glass and optionally their bending by the so-called contact process. It proposes a process in which the edge stresses of the glass sheets are...
|
|
|
4735645 |
Method and apparatus for tempering glassware
Ducts are provided to direct cooling gas onto the outer and interior surfaces of a rotating article of glassware that is heated to a uniform temperature above the strain point of the particular...
|
|
|
4714489 |
Vacuum press construction
A vacuum press construction having holes on the press face corresponding to aperture in the glass sheet to be shaped. The holes are sealed in a manner so as to minimize the amount of heat drawn...
|
|
|
4664689 |
Method and apparatus for rapidly cooling optical fiber
A method and apparatus for rapidly cooling optical fiber comprising passing optical fiber through an enclosure having a flat black internal surface, the walls of said enclosure having symmetrically...
|
|
|
4576622 |
Manufacture of preforms for energy transmitting fibers
The invention relates to a glass lathe for producing preforms which may be drawn into energy transmitting fibers. The apparatus includes a head stock and a tail stock for rotatably holding a...
|
|
|
4508783 |
Method for the differentiated hardening of glass sheets, especially of automobile windshields, and tempered glass sheet
The invention relates to a method of differentiated rate of hardening of a glass sheet by blowing a cooling gas in the direction of this sheet having two zones from nozzles. According to the...
|
|
|
4444579 |
Apparatus for tempering glass sheets of different sizes and shapes
Apparatus capable of tempering bent glass sheets of different sizes and shapes including sharp bends about axes oblique to the length and width of the glass sheets is made possible by supporting...
|
|
|
4402723 |
Nozzle arrangement for pass-through glass sheet tempering apparatus
Nozzles are arranged in different densities transverse to a path of travel for glass sheets moving through a pass-through quench to facilitate removal of spent tempering medium to both lateral...
|
|
|
4400194 |
Method and apparatus for producing heat-strengthened glass sheets having improved break patterns
Heat strengthened glass is treated to have a break pattern that permits the fractured glass sheet to be retained within an installation frame by moving a glass sheet through a heating area, force...
|
|
|
4397668 |
Process and devices for hardening of glassware by ion exchange
The present invention is directed to an apparatus and process for the ion change hardening of glassware by passing the glassware through a stream of molten salt. The glassware may be arranged at...
|
|
|
4314836 |
Glass sheet tempering apparatus with nozzle arrangement providing fluid escape paths and method of tempering glass sheets
In tempering a glass sheet, particularly a glass sheet having at least one major dimension more than 0.5 meter, by quenching said sheet with cold tempering medium while at a tempering temperature,...
|
|
|
4285716 |
Method of quenching glass sheets
While a heated glass sheet moves through a quenching section, the glass sheet is blown with air in the same portions so as to be quenched always in the same portions to provide on the glass surface...
|
|
|
4268297 |
Method of prestressing at least one bent sheet of a sandwich type safety glass
A method of prestressing at least one of the glass sheets of a sandwich safety glass, while being bent in a furnace, the glass sheet, after passing through a bending zone, being passed by a blow...
|