US2003077416A1PendingUtilityA1

Patio tabletop glass with broken protection

Priority: Dec 7, 1998Filed: Nov 20, 2002Published: Apr 24, 2003
Est. expiryDec 7, 2018(expired)· nominal 20-yr term from priority
Inventors:Cheng-Kun Liao
Y10T156/1057B29C 2063/485Y10T428/24967Y10T156/108B29L 2031/448Y10T428/218Y10T428/24273Y10T428/24322B29C 63/0086
37
PatentIndex Score
0
Cited by
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References
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Claims

Abstract

A patio tabletop glass with broken protection includes a tempered glass layer wherein a central hole is formed in the tempered glass layer; a protection layer which has a shape and width size identical to that of the tempered glass layer being integrally attached on a top surface of the tempered glass layer and having a center hole formed therein, wherein the center hole of the protection layer has an identical diameter of the central hole of the tempered glass layer and is coaxially aligned with the central hole of the tempered glass layer; and an adhesive layer which is evenly applied between the top surface of the tempered glass layer and a bottom surface of the protection layer so as to integrally adhere the protection layer with the tempered glass layer to form an one piece body, wherein a tension of a periphery portion of the protection layer is increased to form a protective edge of the center hole, which is made to extend around the central hole of the tempered glass layer and to ensure the periphery portion of the protection layer around the center hole securely attached around the central hole on the tempered glass layer.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A patio tabletop glass, comprising: 
 a tempered glass layer having a predetermined shape, a predetermined thickness and a predetermined width size, wherein a central hole is formed in said tempered glass layer;    a protection layer having a shape and width size identical to that of said tempered glass layer, said protection layer being integrally attached on a top surface of said tempered glass layer and having a center hole formed therein, wherein said center hole of said protection layer has an identical diameter of said central hole of said tempered glass layer and is coaxially aligned with said central hole of said tempered glass layer; and    an adhesive layer which is evenly applied between said top surface of said tempered glass layer and a bottom surface of said protection layer so as to integrally adhere said protection layer with said tempered glass layer to form an one piece body, wherein a tension of a periphery portion of said protection layer is increased to form a protective edge of said center hole, which is made to extend around said central hole of said tempered glass layer and to ensure said periphery portion of said protection layer around said center hole securely attached around said central hole on said tempered glass layer.    
     
     
         2 . A patio tabletop glass, as recited in  claim 1 , wherein said protection layer having a thickness of 0.3 to 0.8 mm,  
     
     
         3 . A patio tabletop glass, as recited in  claim 1 , wherein said top surface of said tempered glass layer is an uneven top surface having specific decorative pattern.  
     
     
         4 . A patio tabletop glass, as recited in  claim 2 , wherein said tempered glass layer has an uneven top surface having specific decorative pattern.  
     
     
         5 . A patio tabletop glass, as recited in  claim 1 , wherein said patio tabletop glass is manufactured by the steps of: 
 (a) fully cleaning said top surface of said tempered glass layer;    (b) drying said tempered glass layer after cleaning;    (c) heating said entire tempered glass layer to a predetermined adhering temperature;    (d) evenly applying a layer of acrylic adhesive on said top surface of said tempered glass layer which temperature is maintained at said predetermined adhering temperature to form said adhesive layer;    (e) attaching said protection layer on top of said adhesive layer of said tempered glass layer by pressing said protection layer against said top surface of said tempered glass layer which is maintained at said predetermined adhering temperature until said protection layer is integrally attached on said tempered glass′ layer, wherein said protection layer has a circular center portion formed above said central hole of said tempered glass layer;    (f) cutting excessive edges of said protection layer to a size identical to said tempered glass layer;    (g) pressing said center portion of said protection layer toward said central hole of said tempered glass layer to increase a tension of a peripheral portion of said protection layer around said central hole of said tempered glass layer and to extend and attach said protection layer to an upper edge of said central hole of said tempered glass layer; and    (h) grinding said upper edge of said central hole of said tempered glass layer until said center portion of said protection layer is separated from said protection layer to form a center hole coaxially aligned with said central hole of said tempered glass layer.    
     
     
         6 . A patio tabletop glass, as recited in  claim 5 , wherein said predetermined adhering temperature is between 45° C. to 65° C.  
     
     
         7 . A patio tabletop glass, as recited in  claim 5 , wherein the step (a) further comprises the steps of cutting a large piece of glass board to form a circular shaped glass layer, drilling said central hole in said glass layer and tempering said glass layer by heating said glass layer to about 500° C.-550° C. and then immediately cooling down to 0° C.-40° C. to form said tempered glass layer.  
     
     
         8 . A patio tabletop glass, as recited in  claim 5 , wherein, in the step (g), said center portion of said protection layer is pressed by a press mold, which has a round shaped presser head at one end thereof, towards said central hole of said tempered glass layer, wherein an inward pressing force of said pressing head further presses said peripheral portion of said protection layer to extend and attach to said upper edge of said central hole of said tempered glass layer.  
     
     
         9 . A patio tabletop glass, as recited in  claim 5 , wherein, in the step (h), a rotating sand wheel is used to grind at a position of said corresponding upper edge of said central hole so as to reduce said thickness of said peripheral edge of said center portion until said center portion of said protection layer is separated from said protection layer to form said center hole coaxially aligned with said central hole of said tempered glass layer.  
     
     
         10 . A patio tabletop glass, as recited in  claim 5 , wherein, in the step (a), said top surface of said tempered glass layer is cleaned with neutral water having a pH of 7.  
     
     
         11 . A patio tabletop glass, as recited in  claim 2 , wherein said patio tabletop glass is manufactured by the steps of: 
 (a) fully cleaning said top surface of said tempered glass layer;    (b) drying said tempered glass layer after cleaning;    (c) heating said entire tempered glass layer to a predetermined adhering temperature between 45° C. to 65° C.;    (d) evenly applying a layer of acrylic adhesive on said top surface of said tempered glass layer which temperature is maintained at said predetermined adhering temperature to form said adhesive layer;    (e) attaching said protection layer on top of said adhesive layer of said tempered glass layer by pressing said protection layer against said top surface of said tempered glass layer which is maintained at said predetermined adhering temperature until said protection layer is integrally attached on said tempered glass layer, wherein said protection layer has a circular center portion formed above said central hole of said tempered glass layer;    (f) cutting excessive edges of said protection layer to a size identical to said tempered glass layer;    (g) pressing said center portion of said protection layer toward said central hole of said tempered glass layer to increase a tension of a peripheral portion of said protection layer around said central hole of said tempered glass layer and to extend and attach said protection layer to an upper edge of said central hole of said tempered glass layer; and    (h) grinding said upper edge of said central hole of said tempered glass layer until said center portion of said protection layer is separated from said protection layer to form a center hole coaxially aligned with said central hole of said tempered glass layer.    
     
     
         12 . A patio tabletop glass, as recited in  claim 11 , wherein the step (a) further comprises the steps of cutting a large piece of glass board to form a circular shaped glass layer, drilling said central hole in said glass layer and tempering said glass layer by heating said glass layer to about 500° C.-550° C. and then immediately cooling down to 0° C.-40° C. to form said tempered glass layer.  
     
     
         13 . A patio tabletop glass, as recited in  claim 12 , wherein, in the step (g), said center portion of said protection layer is pressed by a press mold, which has a round shaped presser head at one end thereof, towards said central hole of said tempered glass layer, wherein an inward pressing force of said pressing head further presses said peripheral portion of said protection layer to extend and attach to said upper edge of said central hole of said tempered glass layer.  
     
     
         14 . A patio tabletop glass, as recited in  claim 13 , wherein, in the step (h), a rotating sand wheel is used to grind at a position of said corresponding upper edge of said central hole so as to reduce said thickness of said peripheral edge of said center portion until said center portion of said protection layer is separated from said protection layer to form said center hole coaxially aligned with said central hole of said tempered glass layer.  
     
     
         15 . A patio tabletop glass, as recited in  claim 11 , wherein, in the step (a), said top surface of said tempered glass layer is cleaned with neutral water having a pH of 7.  
     
     
         16 . A patio tabletop glass, as recited in  claim 4 , wherein said patio tabletop glass is made by the steps of: 
 (a) fully cleaning said top surface of said tempered glass layer;    (b) drying said tempered glass layer after cleaning;    (c) heating said entire tempered glass layer to a predetermined adhering temperature between 45° C. to 65° C.;    (d) evenly applying a layer of acrylic adhesive on said top surface of said tempered glass layer which temperature is maintained at said predetermined adhering temperature to form said adhesive layer;    (e) attaching said protection layer on top of said adhesive layer of said tempered glass layer by pressing said protection layer against said top surface of said tempered glass layer which is maintained at said predetermined adhering temperature until said protection layer is integrally attached on said tempered glass layer, wherein said protection layer has a circular center portion formed above said central hole of said tempered glass layer;    (f) cutting excessive edges of said protection layer to a size identical to said tempered glass layer;    (g) pressing said center portion of said protection layer toward said central hole of said tempered glass layer to increase a tension of a peripheral portion of said protection layer around said central hole of said tempered glass layer and to extend and attach said protection layer to an upper edge of said central hole of said tempered glass layer; and    (h) grinding said upper edge of said central hole of said tempered glass layer until said center portion of said protection layer is separated from said protection layer to form a center hole coaxially aligned with said central hole of said tempered glass layer.    
     
     
         17 . A patio tabletop glass, as recited in  claim 16 , wherein the step (a) further comprises the steps of cutting a large piece of glass board to form a circular shaped glass layer, drilling said central hole in said glass layer and tempering said glass layer by heating said glass layer to about 500° C.-550° C. and then immediately cooling down to 0° C.-40° C. to form said tempered glass layer.  
     
     
         18 . A patio tabletop glass, as recited in  claim 17 , wherein, in the step (g), said center portion of said protection layer is pressed by a press mold, which has a round shaped presser head at one end thereof, towards said central hole of said tempered glass layer, wherein an inward pressing force of said pressing head further presses said peripheral portion of said protection layer to extend and attach to said upper edge of said central hole of said tempered glass layer.  
     
     
         19 . A patio tabletop glass, as recited in  claim 18 , wherein, in the step (h), a rotating sand wheel is used to grind at a position of said corresponding upper edge of said central hole so as to reduce said thickness of said peripheral edge of said center portion until said center portion of said protection layer is separated from said protection layer to form said center hole coaxially aligned with said central hole of said tempered glass layer.  
     
     
         20 . A patio tabletop glass, as recited in  claim 19 , wherein, in the step (a), said top surface of said tempered glass layer is cleaned with neutral water having a pH of 7.  
     
     
         21 . A patio tabletop glass, as recited in  claim 11 , wherein in the step (e) said adhesive layer has a thickness of 0.1 to 0.2 mm.  
     
     
         22 . A patio tabletop glass, as recited in  claim 19 , wherein in the step (e) said adhesive layer has a thickness of 0.1 to 0.2 mm.  
     
     
         23 . A patio tabletop glass which is made by the steps of: 
 (a) fully cleaning at least a top surface of a tempered glass layer having a central hole thereon;    (b) drying said tempered glass layer after cleaning;    (c) heating said entire tempered glass layer to a predetermined adhering temperature;    (d) evenly applying a layer of acrylic adhesive on said top surface of said tempered glass layer which temperature is maintained at said predetermined adhering temperature to form an adhesive layer;    (e) attaching said protection layer having a width size larger than said tempered glass layer on top of said adhesive layer of said tempered glass layer by pressing said protection layer against said top surface of said tempered glass layer which is maintained at said predetermined adhering temperature until said protection layer is integrally attached on said tempered glass layer, wherein said protection layer has a circular center portion formed above said central hole of said tempered glass layer;    (f) cutting excessive edges of said protection layer to a size identical to said tempered glass layer;    (g) pressing said center portion of said protection layer toward said central hole of said tempered glass layer to increase a tension of a peripheral portion of said protection layer around said central hole of said tempered glass layer and to extend and attach said protection layer to an upper edge of said central hole of said tempered glass layer; and    (h) grinding said upper edge of said central hole of said tempered glass layer until said center portion of said protection layer is separated from said protection layer to form a center hole coaxially aligned with said central hole of said tempered glass layer.    
     
     
         24 . A patio tabletop glass, as recited in  claim 23 , wherein said predetermined adhering temperature is between 45° C. to 65° C.  
     
     
         25 . A patio tabletop glass, as recited in  claim 23 , wherein said protection layer has a thickness of 0.3 to 0.8 mm.  
     
     
         26 . A patio tabletop glass, as recited in  claim 24 , wherein said protection layer has a thickness of 0.3 to 0.8 mm.  
     
     
         27 . A patio tabletop glass, as recited in  claim 24 , wherein said step (a) further comprises said steps of cutting a large piece of glass board to form a circular shaped glass layer having a specific decorative pattern provided on at least said top surface, drilling said central hole in said glass layer and tempering said glass layer by heating said glass layer to about 500° C.-550° C. and then immediately cooling down to 0° C.-40° C. to form said tempered glass layer.  
     
     
         28 . A patio tabletop glass, as recited in  claim 27 , wherein said adhesive layer has a thickness of 0.1 to 0.2 mm.  
     
     
         29 . A patio tabletop glass, as recited in  claim 28 , wherein, in the step (g), said center portion of said protection layer is pressed by a press mold, which has a round shaped presser head at one end thereof, towards said central hole of said tempered glass layer, wherein an inward pressing force of said pressing head further presses said peripheral portion of said protection layer to extend and attach to said upper edge of said central hole of said tempered glass layer.  
     
     
         30 . A patio tabletop glass, as recited in  claim 29 , wherein, in the step (h), a rotating sand wheel is used to grind at a position of said corresponding upper edge of said central hole so as to reduce said thickness of said peripheral edge of said center portion until said center portion of said protection layer is separated from said protection layer to form said center hole coaxially aligned with said central hole of said tempered glass layer.  
     
     
         31 . A patio tabletop glass, as recited in  claim 30 , wherein, in step (a), said top surface of said tempered glass layer is cleaned with neutral water having a pH of 7.

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