초록 ▼

An integrated window sash includes a sash frame having a first sheet supporting surface, a second sheet supporting surface spaced from the first sheet supporting surface, and a base between the first and second sheet supporting surfaces, the base defining an opening; a first sheet having a first maj

An integrated window sash includes a sash frame having a first sheet supporting surface, a second sheet supporting surface spaced from the first sheet supporting surface, and a base between the first and second sheet supporting surfaces, the base defining an opening; a first sheet having a first major surface and an opposite second major surface with marginal edge portions of the first surface of the first sheet secured to the first sheet supporting surface, the first sheet sized to pass through the opening toward the first sheet supporting surface; a second sheet having a first major surface and an opposite second major surface with marginal edge portions of the first surface of the second sheet secured to the second sheet supporting surface, the second sheet sized to be larger than the opening, wherein the first major surface of the second sheet faces the second major surface of the first sheet and is spaced therefrom to provide a compartment between the sheets; and a retainer mounted on the base between the sheets and having a first end portion engaging surface portions of the second surface of the first sheet and an opposite second end portion secured to the base.

대표청구항 ▼

What is claimed is: 1. An integrated window sash, comprising: a sash frame having a first sheet supporting surface, a second sheet supporting surface spaced from the first sheet supporting surface, and a base between the first and second sheet supporting surfaces, the base defining an opening; a fi

What is claimed is: 1. An integrated window sash, comprising: a sash frame having a first sheet supporting surface, a second sheet supporting surface spaced from the first sheet supporting surface, and a base between the first and second sheet supporting surfaces, the base defining an opening; a first sheet having a first major surface and an opposite second major surface with marginal edge portions of the first surface of the first sheet secured to the first sheet supporting surface, the first sheet sized to pass through the opening toward the first sheet supporting surface; a second sheet having a first major surface and an opposite second major surface with marginal edge portions of the first surface of the second sheet secured to the second sheet supporting surface, the second sheet sized to be larger than the opening wherein the first major surface of the second sheet faces the second major surface of the first sheet and is spaced therefrom to provide a compartment between the sheets; a retainer between the sheets, the retainer comprising an elongated member having a first hollow end and an opposite second hollow end; a first end cap moveable into and out of the first end of the elongated member and a second end cap moveable into and out of the second end of the elongated member, and a biasing member in the elongated member to bias the first end cap out of the first end of the elongated member, to bias the second end cap out of the second end of the elongated member and to bias the first and second end caps away from one another, wherein the first end cap acts on the second surface of the first sheet to bias the first sheet toward the first sheet supporting surface, and the second end cap acts on the first surface of the second sheet, and a glazing member mounted on the sash frame and acting on the marginal edges of the second surface of the second sheet. 2. The integrated window sash according to claim 1 further comprising a lattice made of muntin bars in the compartment, the lattice having end portions adjacent to and spaced from the base, and the elongated member of the retainer connected to at least one of the end portions of the lattice. 3. The integrated window sash according to claim 1 wherein the elongated member is a hollow cylinder having a predetermined outer diameter and a predetermined inner diameter; the first and second end caps each have a first end and a second opposite end with the first end of each of the first and second end caps having an outer diameter less than the predetermined inner diameter of the cylinder and the second end of each of the first and second caps having an outer diameter greater than the predetermined outer diameter of the cylinder, and the biasing member is a spring in the cylinder acting on the first end of each of the end caps. 4. The integrated window sash according to claim 1, further comprising: a first layer of an adhesive sealant having a low gas and moisture permeability securing the marginal edge portions of the first surface of the first sheet to the first sheet supporting surface, a second layer of an adhesive sealant having low gas and moisture permeability securing the marginal edge portions of the first surface of the second sheet to the second sheet supporting surface, and surface of the base facing the compartment having a low gas and moisture permeability; a desiccating medium carried on the base of the sash frame and communicating with the compartment; and a passageway through the base to move gas into and out of the compartment wherein gas moves out of the compartment through the passageway when the first major surface of the second sheet moves toward the second major surface of the first sheet, and gas moves through the passageway into the compartment when gas pressure in the compartment is less than gas pressure acting on the second major surface of the first sheet and the first major surface of the second sheet, thereby equalizing the gas pressure in the compartment with the gas pressure acting on the first sheet and the second sheet. 5. The integrated window sash according to claim 1, further comprising: a plastic barrier layer secured to the base by an adhesive layer, the plastic barrier layer having a low gas and moisture permeability; an arrangement to reduce ultraviolet radiation impinging on the plastic barrier layer, and a desiccating medium carried on the barrier layer. 6. The integrated window sash according to claim 5, wherein the sheets are glass sheets and the arrangement is one of the sheets reflecting or absorbing ultraviolet radiation. 7. The integrated window sash according to claim 5, wherein the desiccating medium comprises granulated desiccating material in an adhesive, the adhesive of the desiccating material resistant to ultraviolet degradation, and the arrangement is a layer of the desiccating medium over the surface of the plastic barrier layer facing the compartment. 8. The integrated window sash according to claim 5, wherein the adhesive layer is a first adhesive layer and the arrangement is a second adhesive layer over surface of the plastic barrier layer facing the compartment, the second adhesive layer being resistant to ultraviolet degradation. 9. The integrated window sash according to claim 4, wherein the surface of the base facing the compartment having a low gas and moisture permeability is surface of a barrier layer facing the compartment. 10. The integrated window sash according to claim 4, further comprising a lattice made of muntin bars in the compartment, the lattice having end portions adjacent to and spaced from the base, and the elongated member of the retainer connected to at least one of the end portions of the lattice.