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Method for Bonding Metal Inserts to Laminated Structure Having Honeycomb Core of Plastic Straws

IP.com Disclosure Number: IPCOM000046465D
Original Publication Date: 1983-Jul-01
Included in the Prior Art Database: 2005-Feb-07
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Jones, EW: AUTHOR [+2]

Abstract

Work surfaces for desks and tables in a data processing installation are formed of a laminated structure that has outer layers of a thin hard material and an inner core of a thermoplastic. The thermoplastic is in the form of plastic tubes or straws that extend from one outer layer to the other. It has been found that metal inserts can be located between the core and the outer surfaces and bonded to these layers. During the manufacturing process, flat pieces of sheet metal of suitable shapes are inserted on top of the thermoplastic core. A heated platen is lowered onto the core and the inserts and then heated, and pressure causes the straws of the core to deform around the inserts. The outer surface layers are then bonded to both sides of the core.

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Method for Bonding Metal Inserts to Laminated Structure Having Honeycomb Core of Plastic Straws

Work surfaces for desks and tables in a data processing installation are formed of a laminated structure that has outer layers of a thin hard material and an inner core of a thermoplastic. The thermoplastic is in the form of plastic tubes or straws that extend from one outer layer to the other. It has been found that metal inserts can be located between the core and the outer surfaces and bonded to these layers. During the manufacturing process, flat pieces of sheet metal of suitable shapes are inserted on top of the thermoplastic core. A heated platen is lowered onto the core and the inserts and then heated, and pressure causes the straws of the core to deform around the inserts. The outer surface layers are then bonded to both sides of the core. The inserts can then be tapped so that fasteners can be attached to the structure.

Fasteners are often used with these laminated plastic structures, for example, to attach legs to the structure to form a table. The thin outer layer does not have enough strength to support the fasteners, and it is conventional to drill a relatively large hole in the structure for an insert of wood or other suitable material that can support the fasteners. It is also conventional to provide a strong metal layer just behind the layer that is to receive the fastener. With this technique, inserts can be positioned during manufacture at a few selec...