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A sliding glass door. In architecture and construction, a sliding glass door (also patio door or doorwall [1] [2]) is a type of sliding door made predominantly from glass, that is situated in an external wall to provide egress and light.
Glass doors pose the risk of unintentional collision if a person is unaware there is a door, or thinks it is open when it is not. This risk is greater with sliding glass doors because they often have large single panes that are hard to see. Stickers or other types of warnings on the glass surface make it more visible and help prevent injury. In ...
Sliding doors were used as early as the 1st century CE in Roman houses (as evidenced by archaeological finds in Pompeii, Italy). However, there is no evidence to confirm that the Romans were the first humans to have invented or used sliding doors. [2] [3]
In 1898, Pilkington invented Wired Cast glass, ... Full scale profitable sales of float glass were first achieved in 1960. Gallery. Glass ear stud, ...
In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s.
According to a Southwick family descendant, "hollow ware and bottles" were made at the glass works in "light green, dark green, blue and brown glass." [44] They also described "bulls eyes for windows and doors" that were made, which implies the Crown method was used for making window glass. [45]
The aforementioned studies are specific to the type of door which they were acquired for, namely 2 m × 2 m (6.6 ft × 6.6 ft) doors with four compartments. [18] Although it appears that these dimensions were standard for four-compartment doors at the time, this is not the case nowadays.
Wire mesh glass was invented in 1892 by Frank Shuman. [2] [3] Laminated glass was invented in 1903 by the French chemist Édouard Bénédictus (1878–1930). [4] These three approaches can easily be combined, allowing for the creation of glass that is at the same time toughened, laminated, and contains a wire mesh.