US 12,082,716 B2
Swing door system and a freezer device
Jochen Diederichs, Mainz (DE); Petr Smajser, Stramberk (CZ); Martin Rafaj, Vsetín (CZ); Michael Lammel, Aachen (DE); Benjamin Lederhofer, Langenfeld (DE); Markus Heller, Herzogenrath (DE); Jaroslav Kukulis, Roznov pod Radhotm (CZ); and Jaroslav Placek, Zenklave (CZ)
Assigned to SCHOTT AG, Mainz (DE); and SCHOTT FLAT GLASS CR, S.R.O., Valasske Mezirici (CZ)
Filed by SCHOTT AG, Mainz (DE); and SCHOTT Flat Glass CR, s.r.o., Valaské Mezirící (CZ)
Filed on Nov. 8, 2021, as Appl. No. 17/521,067.
Application 17/521,067 is a continuation of application No. PCT/EP2020/057925, filed on Mar. 23, 2020.
Claims priority of application No. 19 172 776.7 (EP), filed on May 6, 2019; and application No. 20 2019 105 965.6 (DE), filed on Oct. 28, 2019.
Prior Publication US 2022/0053949 A1, Feb. 24, 2022
Int. Cl. A47F 3/04 (2006.01); A47F 3/00 (2006.01)
CPC A47F 3/043 (2013.01) [A47F 3/001 (2013.01); A47F 3/0434 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A swing door system, comprising:
two adjacent swing doors;
a mullion in contact with the swing doors; and
an insulation profile attached to the mullion,
wherein the insulation profile comprises a space that is filled with a thermally insulating material,
wherein the insulation profile comprises at least partly a C-shaped cross-section,
wherein each swing door comprises a transparent pane and a non-transparent area, wherein each non-transparent area is proximal to the mullion when the swing doors are in a closed position,
wherein each non-transparent area and the mullion define a non-transparent region, wherein the transparent panes have a view therethrough that is not totally blocked by the non-transparent region along a plurality of horizontal see-through angles, and wherein each of the horizontal see-through angles is measured with respect to a plane of the swing doors when the swing doors are in the closed position,
wherein at least one of the swing doors has a width from 500 mm to 1000 mm,
wherein when the width is in the range of 500 mm to 780 mm, the plurality of horizontal see-through angles range from 6° to 174°, and
wherein when the width is in the range of greater than 780 mm and equal to or less than 1000 mm, the plurality of horizontal see-through angles range from 5° to 175°.