Glass sheet bending mold with heat absorber

• US 3,264,082 A
• Filed: 04/22/1965
• Issued: 08/02/1966
• Est. Priority Date: 04/22/1965
• Status: Expired due to Term

• Current Assignee: James S. Golightly
• Original Assignee: James S. Golightly
• Inventors: Golightly, James S.
• Application Number:
  US04/451,691
• Time in Patent Office: 467 Days
• US Class Current: 65/288
• CPC Class Codes: C03B 23/027 with moulds having at least two upward pivotable mould sections

Claims

1. IN A GLASS BENDING MOLD ADAPTED TO BEND A GLASS SHEET IN A HOT ATMOSPHERE TO A COMPLEX SHAPE INCLUDING A TRANSVERSE BEND ABOUT AN AXIS EXTENDING LONGITUDINALLY OF SAID SHEET AND COMPRISING AN OUTLINE SHAPING SURFACE INTO CONFORMITY WITH WHICH THE GLASS SHEET IS TO BE BENT, SAID SHAPING SURFACE HAVING A GIVEN LENGTH AND WIDTH, A HEAT ABSORBING MEMBER HAVING A DIMENSION IN A DIRECTION TRANSVERSE OF SAID OUTLINE LESS THAN THE WIDTH OF SAID OUTLINE SHAPING SURFACE SPACED FROM SAID SHAPING SURFACE AND POSITIONED SO AS TO FACE A SURFACE OF THE GLASS SHEET WHEN SUPPORTED ON SAID SHAPING SURFACE, SID HEAT ABSORBING MEMBER COMPRISING A RELATIVELY MASSIVE PORTION COMPOSED OF AIR IMPERVIOUS MATERIAL ADJACENT A PORTION OF SAID OUTLINE SHAPING SURFACE AND A RELATIVELY LIGHT PORTION COMPOSED OF A PERFORATED MATERIAL LOCATED BEYOND AND IMMEDIATELY ADJACENT TO A PORTION OF THE PERIPHERY OF SAID RELATIVELY MASSIVE PORTION SPACED FROM SAID PORTION OF SAID OUTLINE SHAPING SURFACE, SAID RELATIVELY LIGHT PORTION HAVING A SMALLER EFFECTIVE SURFACE AREA THAN THAT OF A SOLID MEMBER OF THE SAME AREA AND THICKNESS BY VIRTUE OF ITS OPEN MESH CONFIGURATION, SAID OUTLYING SHAPING SURFACE COMPRISING A PAIR OF ELONGATED SHAPING SIDE RAILS, AND SAID HEAT ABSORBING MASS BEING ADJACENT A SIDE RAIL OF THE MOLD.