The invention relates to a method in which a polyester melt containing one or more polyesters is produced, the polyester melt being foamed by a blowing agent and a foamed granulate is produced from the foamed polyester melt. The intrinsic viscosity (IV) of the polyester melt is reduced by the blowing agent about at least 0.05 dl/g, measured according to ASTM D4603, and the IV of the foamed granulate is then increased by means of a solid phase polycondensation (SSP).

A profile for window, door, facade or cladding elements is disclosed, which comprises a profile body (2) made from thermoplastic material and extending in a longitudinal direction (z) with an essentially constant cross-section (x-y) along the longitudinal direction (z) and having at least one outer surface (2a), and a metal containing layer (4) deposited on at least part of the at least one outer surface (2a), wherein the thermoplastic material is polyamide, propylene, wherein the metal containing layer is made of aluminium or aluminium nitride or chromium, wherein the metal containing layer (4) is deposited directly on the profile body (2) using a PVD technology, and wherein the metal containing layer has a thickness in the range from 110 nm to 170 nm.

A system and method for constructing a composite structure using a multi-piece tool. The pieces are assembled, including making a connection, such as a mortise-and-tenon connection, between pieces using an adhesive mixed with an induction heatable material, such as iron filings having a unit size of between 5 microns and 600 microns, and an amount of between 5% and 50% by volume. Plies of a material are applied around the connection between the pieces, and the plies are cured to create the composite structure, which results in the pieces being trapped within the composite structure by the connection. The adhesive is exposed to electromagnetic induction from an electromagnetic induction coil which generates heat in the induction heatable material and thereby loosens the connection. The tool can then be disassembled by individually pulling at least some of the pieces from within the composite structure.

An extrusion profile (e.g. a coextrusion-profile or monoextrusion-profile) for a window component and/or door component (e.g. a window frame component and/or door frame component or a window wing component and/or door wing component) may include at least one profile surface forming an exterior side of the extrusion profile. The extrusion profile may be made of at least recycling polymer material and be provided with at least one pigmentation including at least one lightfast pigment.

An extrusion profile, such as a mono- or co-extrusion profile, for a door and/or window part, may include a fiber layer laminated at least partially to an outer side of the profile using an adhesive.

An extrusion profile, such as a coextrusion profile or a monoextrusion profile, for a window and/or door part, such as a window and/or door frame part or a window and/or door wing part, may include at least one profile surface forming the outside of the extrusion profile that is made of a mixture. The mixture may include plastic and at least one pigmented cellulose or at least one mineral. The at least one pigmented cellulose or the at least one mineral may have a mass fraction between 1.0 wt.-% and 15.0 wt.-% of the mixture, in particular between 2.0 wt.-% and 10.0 wt.-% of the mixture.

A window frame assembly for installation within a garage door having front and rear exposed surfaces and one or more window openings. The assembly includes front and rear window frame members which are installed within the door openings in the garage door. The front and rear members are brought toward each other to sandwich the borders of each of the window openings while also capturing an associated transparent pane. A series of fastening members are used to hold the front and rear frame members securely against each other. The front and rear window frame members are made of synthetic polymeric starting stock starting materials which, together with the transparent panes, are able to withstand hurricane force winds and associated blowing debris.

A welder for constructing and welding plastic fenestration structures, including parts storage bins structured to store and support parts to be assembled to create the plastic fenestration structures; wheels that receive the parts from the parts storage bins; aligners that position the parts relative to one another; heating plates that apply heat to ends of the parts thereby rendering at least a portion of the ends of the parts molten; parts shifters operably shiftable between a first position adjacent the wheels and a second position remotely located from the wheels that shift the parts to a fusing position in which adjacent parts are abutted together at a fusing station to produce the plastic fenestration structure; and at least one cooling station at which the plastic fenestration structure is held.

Aspects of the present disclosure are directed to an extrusion die for producing a plastic profile. In some embodiments, the extrusion die includes a first die plate having a flow channel for the plastic profile to be produced, at least one recess configured and arranged for accommodating exchangeable air nozzle inserts, and a connection on the outside of the first die plate. The exchangeable air nozzle inserts have an air channel with at least one air outlet nozzle. The extrusion die further including at least one air supply bore that leads from the connection on the outside of the first die plate into each of the at least one recess.

The process for the realization of a window/door framework (1) for walls of building comprises a molding step of a perimeter frame (2) by means of a three-dimensional molding device (5, 6, 7, 9), wherein the perimeter frame (2) comprises a plurality of perimeter sides made in a single monolithic body.