Double-flanged PP honeycomb plate luggage case spare cover plate and its production method

Double-flanged PP honeycomb plate luggage case spare cover plate and its production method

The invention discloses a double-flanged PP honeycomb plate luggage case spare cover plate and its production method. The spare cover plate is formed through compounding and flanging bonding of a skeleton layer (2), and a surface layer nonwoven fabric (1) and a back layer nonwoven fabric (3) which a...

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Hauptverfasser: WANG LEI, LIU JUAN, DU YINGMEI, ZHANG LEI, ZHU JIAXIANG
Format: Patent
Sprache:eng
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LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
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creator WANG LEI
LIU JUAN
DU YINGMEI
ZHANG LEI
ZHU JIAXIANG
description The invention discloses a double-flanged PP honeycomb plate luggage case spare cover plate and its production method. The spare cover plate is formed through compounding and flanging bonding of a skeleton layer (2), and a surface layer nonwoven fabric (1) and a back layer nonwoven fabric (3) which are compounded to the surfaces of the skeleton layer, the surface layer nonwoven fabric (1) and the back layer nonwoven fabric (3) are bonded in a double flanging compounding manner, the skeleton layer (2) is a PP honeycomb plate, and the surface layer nonwoven fabric (1) and the back layer nonwoven fabric (3) are nonwoven fabrics compounded with hot melt adhesive powder which can be easily bonded with a PP material respectively; and the back layer nonwoven fabric (3) at the back of the skeleton layer (2) is provided with a shock pad (4). The production method sequentially comprises the following steps: skeleton layer punching, heating compounding flanging, cooling fixing, semi-finished product punching and finished product production. The nonwoven fabric is compounded with back layer of the PP honeycomb plate and is bonded with the surface layer nonwoven fabric in a double flanging manner, so the strength and the rigidity of the cover plate are increased, the weight of the cover plate and the whole car noises are reduced, and the requirements of the car industry on light weight, environmental protection and beauty are met.
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The spare cover plate is formed through compounding and flanging bonding of a skeleton layer (2), and a surface layer nonwoven fabric (1) and a back layer nonwoven fabric (3) which are compounded to the surfaces of the skeleton layer, the surface layer nonwoven fabric (1) and the back layer nonwoven fabric (3) are bonded in a double flanging compounding manner, the skeleton layer (2) is a PP honeycomb plate, and the surface layer nonwoven fabric (1) and the back layer nonwoven fabric (3) are nonwoven fabrics compounded with hot melt adhesive powder which can be easily bonded with a PP material respectively; and the back layer nonwoven fabric (3) at the back of the skeleton layer (2) is provided with a shock pad (4). The production method sequentially comprises the following steps: skeleton layer punching, heating compounding flanging, cooling fixing, semi-finished product punching and finished product production. 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The nonwoven fabric is compounded with back layer of the PP honeycomb plate and is bonded with the surface layer nonwoven fabric in a double flanging manner, so the strength and the rigidity of the cover plate are increased, the weight of the cover plate and the whole car noises are reduced, and the requirements of the car industry on light weight, environmental protection and beauty are met.</abstract><oa>free_for_read</oa></addata></record>
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subjects LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
title Double-flanged PP honeycomb plate luggage case spare cover plate and its production method
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