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1. AU1998074468 - An ultrasonic assembly including an anular sonotrode

Office Australie
Numéro de la demande 74468/98
Date de la demande 09.06.1998
Numéro de publication 1998074468
Date de publication 18.03.1999
Type de publication A
CIB
B06B 3/00
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
06PRODUCTION OU TRANSMISSION DES VIBRATIONS MÉCANIQUES, EN GÉNÉRAL
BPRODUCTION OU TRANSMISSION DES VIBRATIONS MÉCANIQUES EN GÉNÉRAL
3Procédés ou appareils spécialement adaptés pour transmettre des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore
CPC
B06B 3/00
BPERFORMING OPERATIONS; TRANSPORTING
06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, ; e.g.; FOR PERFORMING MECHANICAL WORK IN GENERAL
3Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
B29C 65/08
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
08using ultrasonic vibrations
B29C 66/1122
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
66General aspects of processes or apparatus for joining preformed parts
01General aspects dealing with the joint area or with the area to be joined
05Particular design of joint configurations
10particular design of the joint cross-sections
11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
112Single lapped joints
1122Single lap to lap joints, i.e. overlap joints
B29C 66/542
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
66General aspects of processes or apparatus for joining preformed parts
50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
542joining hollow covers or hollow bottoms to open ends of container bodies
B29C 66/612
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
66General aspects of processes or apparatus for joining preformed parts
50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
61Joining from or joining on the inside
612Making circumferential joints
B29C 66/63
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
66General aspects of processes or apparatus for joining preformed parts
50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
63Internally supporting the article during joining
Déposants Tetra Laval Holdings & Finance SA
Inventeurs Frei, Karl
Données relatives à la priorité 9702551 02.07.1997 SE
Titre
(EN) An ultrasonic assembly including an anular sonotrode
Abrégé
(EN)
In, for example, the welding of circular objects, for instance packaging containers, use is made of an ultrasonic assembly for circular sealing, the assembly including a transducer (2) and an annular sonotrode (4). The transducer is radially, mechanically connected to the sonotrode, possibly via a booster (3). In order to avoid heating and possible damage to the connection point to the sonotrode, this is provided, in the assembly according to the present invention, with an adapter portion (15) which is in the form of a projection (16) radially projecting from the sonotrode (4). At its end facing away from the sonotrode, the projection (16) is provided with an anchorage device (14) for direct on indirect mechanical connection to the transducer (2), and the adapter portion further displays a region, at its end facing towards the annular portion of the sonotrode (4), of reduced cross-sectional area, which together reduces the harmful effects of the ultrasonic waves on the anchorage region.

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