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1. WO1997029963 - WELDED PARTITION ASSEMBLY

Publication Number WO/1997/029963
Publication Date 21.08.1997
International Application No. PCT/US1997/002347
International Filing Date 13.02.1997
Chapter 2 Demand Filed 10.09.1997
IPC
B29C 65/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
B29C 65/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
02by heating, with or without pressure
B29C 65/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
02by heating, with or without pressure
10using hot gases
B29C 65/54 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
48using adhesives
52Applying the adhesive
54between pre-assembled parts
B29C 65/56 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
56using mechanical means
B29C 65/70 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining of preformed parts; Apparatus therefor
70by moulding
CPC
B29C 65/028
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
02by heating, with or without pressure
022Particular heating or welding methods not otherwise provided for
028making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
B29C 65/10
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
02by heating, with or without pressure
10using hot gases ; (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
B29C 65/18
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
02by heating, with or without pressure
18using heated tools
B29C 65/40
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
02by heating, with or without pressure
40Applying molten plastics, e.g. hot melt
B29C 65/4815
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
48using adhesives ; , i.e. using supplementary joining material; solvent bonding
4805characterised by the type of adhesives
481Non-reactive adhesives, e.g. physically hardening adhesives
4815Hot melt adhesives, e.g. thermoplastic adhesives
B29C 65/542
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
65Joining ; or sealing; of preformed parts ; , e.g. welding of plastics materials; Apparatus therefor
48using adhesives ; , i.e. using supplementary joining material; solvent bonding
52characterised by the way of; applying the adhesive
54between pre-assembled parts
542by injection
Applicants
  • BRADFORD COMPANY [US]/[US]
Inventors
  • BRADFORD, Judson, A.
Agents
  • POFFENBERGER, J., Dwight, Jr.
Priority Data
08/600,58913.02.1996US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) WELDED PARTITION ASSEMBLY
(FR) ENSEMBLE CLOISON SOUDE
Abstract
(EN)
A non-disassembling partition assembly (10) for insertion into a container for dividing the space inside the container into separated cells. The assembly comprises a plurality of first slotted partitions (12) intersection with a plurality of second slotted partitions (14) to form a matrix. The matrix is held together in a non-disassembling collapsible relationship by a plurality of weldments (42) at a plurality of intersections (40). Each weldment (42) is formed by injection of molten plastic between opposed face plies (16, 18) of intersecting partitions at an intersection at a sufficiently high temperature, to at least partially melt the spacers (20) between the face plies of the intersecting partitions to create a weldment (42) therebetween. The weldments (42) are formed of a plastic which is preferably the same type of plastic as that from which the partitions (12, 14) are made in order to aid in the recyclability of the partition assembly.
(FR)
Ensemble cloison (10) non démontable destiné à être inséré dans un conteneur afin de diviser l'espace situé à l'intérieur du conteneur en cellules séparées. L'ensemble comprend une pluralité de premières cloisons fendues (12) en intersection avec une pluralité de secondes cloisons fendues (14) afin de former une matrice. La matrice est maintenue solidaire en une relation pliable non démontable par une pluralité de soudures (42) au niveau d'une pluralité d'intersections (40). Chaque soudure (42) est formée par injection de plastique fondu entre des couches à faces opposées (16, 18) de cloisons en intersection, au niveau d'une intersection et à une température suffisamment élévée, afin de fusioner au moins partiellement les pièces d'écartement (20) entre les couches de faces de cloisons à intersections pour créer une soudure (42) entre celles-ci. Les soudures (42) sont en plastique, de préférence le même type de plastique que celui des cloisons (12, 14), de manière à permettre le recyclage de l'ensemble.
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