Thermoforming plant, transport system and thermoformed product produced therewith
AssigneeKIEFEL GmbH
InventorsHeinz Hinterseer, Martin Weibhauser, Peter Knoll
Life of this patent
Estimating the term…
Abstract
The invention relates to thermoforming plant and their transport chains. Various aspects of the chain and chain rails are proposed. Overall the chain operates such that less wear occurs; it can also be cooled symmetrically and the film can be better heated up to the edges.
Claims16
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a transport direction force, wherein rollers are oriented upright, so that the transverse force acts transverse to their roller axes.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the guide acts directly on rollers.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the chain is free of transverse force support rollers.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein in vertical direction, the chain is propped on a sliding surface with outer brackets.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein in vertical direction, the chain is propped on gravitational force support rollers.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein rollers comprise a self-centering contour in relation to the guide when exposed to the transverse force, and wherein the guide provides a lateral complementary contour.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein rollers comprise a gravitational force-driven self-centering contour in relation to the guide, wherein the guide provides a lower complementary contour.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein rollers laterally and/or downwardly comprise a spherical, semi-spherical or otherwise convex contour.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the rollers laterally and/or downwardly comprise a concave contour.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain revolves in a chain rail profile and comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the chain rail profile comprises a mirror symmetrical cross section with an uprightly oriented symmetry axis.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the chain rail profile comprises a cooling channel in the symmetry axis.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain runs in a chain rail profile and comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the chain rail profile comprises a chamfer on its side toward the holder.
A thermoforming line for processing a plastic layer, with a chain for transporting the plastic layer through the thermoforming line, wherein the chain comprises a holder for the plastic layer, so that the plastic layer can exert a transverse force on the chain via the holder, transverse to a direction of chain progression with the thermoforming line in operation, and with a guide for the chain to absorb the transverse force, wherein the chain comprises a basic structure with a plurality of rollers between brackets to absorb a force in the transport direction, wherein the chamfer continues over an upper side.
Dependencies are inferred from the claim text.