IT1255329B - Procedimento per la produzione di laminati plastici con alimentazione e nastro - Google Patents

Procedimento per la produzione di laminati plastici con alimentazione e nastro

Info

Publication number
IT1255329B
IT1255329B ITMI921676A ITMI921676A IT1255329B IT 1255329 B IT1255329 B IT 1255329B IT MI921676 A ITMI921676 A IT MI921676A IT MI921676 A ITMI921676 A IT MI921676A IT 1255329 B IT1255329 B IT 1255329B
Authority
IT
Italy
Prior art keywords
production
tape
feed
procedure
plastic laminates
Prior art date
Application number
ITMI921676A
Other languages
English (en)
Inventor
Aldo Stabile
Original Assignee
Aldo Stabile
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aldo Stabile filed Critical Aldo Stabile
Publication of ITMI921676A0 publication Critical patent/ITMI921676A0/it
Priority to ITMI921676A priority Critical patent/IT1255329B/it
Priority to AT92917671T priority patent/ATE159451T1/de
Priority to CA002139784A priority patent/CA2139784C/en
Priority to EP92917671A priority patent/EP0652820B1/en
Priority to JP6503143A priority patent/JP2863955B2/ja
Priority to US08/362,538 priority patent/US5547535A/en
Priority to DE69222872T priority patent/DE69222872T2/de
Priority to ES92917671T priority patent/ES2109370T3/es
Priority to PCT/IT1992/000097 priority patent/WO1994001263A1/en
Priority to KR1019940704821A priority patent/KR100193109B1/ko
Priority to AU24083/92A priority patent/AU2408392A/en
Priority to DK92917671.7T priority patent/DK0652820T3/da
Publication of ITMI921676A1 publication Critical patent/ITMI921676A1/it
Priority to TW083101147A priority patent/TW247296B/zh
Application granted granted Critical
Publication of IT1255329B publication Critical patent/IT1255329B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/3444—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint being a ribbon, band or strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/3444—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint being a ribbon, band or strip
    • B29C65/3452—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint being a ribbon, band or strip forming a sleeve, e.g. a wrap-around sleeve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint 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
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/10—Removing layers, or parts of layers, mechanically or chemically
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3468—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/08—PCBs, i.e. printed circuit boards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155—Manufacturing circuit on or in base
    • Y10T29/49158—Manufacturing circuit on or in base with molding of insulated base

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

Procedimento per la produzione di laminati plastici con lamine metalliche in specie per circuiti stampati, mediante la forma-zione di uno o più pacchetti disposti in pile, ottenuti da un nastro multicomponente alimentato in continuità ed in contemporaneità sia da nastri del materiale di supporto impregnato di materiale plastico e sia da uno o due nastri di rame.
ITMI921676A 1992-07-09 1992-07-09 Procedimento per la produzione di laminati plastici con alimentazione e nastro IT1255329B (it)

Priority Applications (13)

Application Number Priority Date Filing Date Title
ITMI921676A IT1255329B (it) 1992-07-09 1992-07-09 Procedimento per la produzione di laminati plastici con alimentazione e nastro
DE69222872T DE69222872T2 (de) 1992-07-09 1992-08-07 Verfahren zur herstellung von kunststofflaminate aus fortlaufend zugeführten bahnen
PCT/IT1992/000097 WO1994001263A1 (en) 1992-07-09 1992-08-07 Process for producing plastic laminates from continuously fed bands
EP92917671A EP0652820B1 (en) 1992-07-09 1992-08-07 Process for producing plastic laminates from continuously fed bands
JP6503143A JP2863955B2 (ja) 1992-07-09 1992-08-07 連続的に供給されるバンドからプラスチック積層体を製造するための方法
US08/362,538 US5547535A (en) 1992-07-09 1992-08-07 Process for producing plastic laminates from continuously fed bands
AT92917671T ATE159451T1 (de) 1992-07-09 1992-08-07 Verfahren zur herstellung von kunststofflaminate aus fortlaufend zugeführten bahnen
ES92917671T ES2109370T3 (es) 1992-07-09 1992-08-07 Proceso para la produccion de laminados plasticos con bandas alimentadas de forma continua.
CA002139784A CA2139784C (en) 1992-07-09 1992-08-07 Process for producing plastic laminates from continuously fed bands
KR1019940704821A KR100193109B1 (ko) 1992-07-09 1992-08-07 인쇄회로용 플라스틱 적층판의 제조방법
AU24083/92A AU2408392A (en) 1992-07-09 1992-08-07 Process for producing plastic laminates from continuously fed bands
DK92917671.7T DK0652820T3 (da) 1992-07-09 1992-08-07 Fremgangsmåde til fremstilling af plastlaminater med metalfolier, især til trykte kredsløb
TW083101147A TW247296B (it) 1992-07-09 1994-02-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI921676A IT1255329B (it) 1992-07-09 1992-07-09 Procedimento per la produzione di laminati plastici con alimentazione e nastro

Publications (3)

Publication Number Publication Date
ITMI921676A0 ITMI921676A0 (it) 1992-07-09
ITMI921676A1 ITMI921676A1 (it) 1994-01-09
IT1255329B true IT1255329B (it) 1995-10-31

Family

ID=11363647

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI921676A IT1255329B (it) 1992-07-09 1992-07-09 Procedimento per la produzione di laminati plastici con alimentazione e nastro

Country Status (13)

Country Link
US (1) US5547535A (it)
EP (1) EP0652820B1 (it)
JP (1) JP2863955B2 (it)
KR (1) KR100193109B1 (it)
AT (1) ATE159451T1 (it)
AU (1) AU2408392A (it)
CA (1) CA2139784C (it)
DE (1) DE69222872T2 (it)
DK (1) DK0652820T3 (it)
ES (1) ES2109370T3 (it)
IT (1) IT1255329B (it)
TW (1) TW247296B (it)
WO (1) WO1994001263A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1264065B1 (it) * 1993-04-09 1996-09-10 Cedal Srl Assemblatrice automatica di pacchetti per laminati plastici ottenuti da nastri metallici continui
JP3336864B2 (ja) * 1996-01-18 2002-10-21 松下電工株式会社 積層体の製造方法およびその製造装置
ITMI20120194A1 (it) 2012-02-13 2013-08-14 Cedal Equipment Srl Miglioramenti nella fabbricazione di pile di laminati plastici multistrato per circuiti stampati
CN103889154B (zh) * 2014-04-03 2017-12-19 苏州市嘉明机械制造有限公司 一种冷热一体式铜箔导电压合机
CN105856729B (zh) * 2016-04-25 2018-01-19 江苏博敏电子有限公司 一种混叠铜箔及其混叠方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1321305A (en) * 1970-05-13 1973-06-27 Cupro Sapphire Ltd Method of laminating assemblies which include plastics material
DE3507568A1 (de) * 1985-03-04 1986-09-25 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zum verpressen von prepregs in einer etagenpresse mit einer rutschsicherung
EP0385769A3 (en) * 1989-03-03 1991-11-27 Hi Tech Fusion Limited Bonding sheet materials together
EP0471430A3 (en) * 1990-07-13 1992-06-03 Toyo Seikan Kaisha Limited Method of curing an adhesive in a laminate coil
DE69214463T2 (de) * 1992-05-05 1997-05-22 Cedal Srl Verfahren zur herstellung von plastiklaminaten mit metallschichten insbesondere für gedruckte schaltungen

Also Published As

Publication number Publication date
JP2863955B2 (ja) 1999-03-03
WO1994001263A1 (en) 1994-01-20
DE69222872D1 (de) 1997-11-27
DE69222872T2 (de) 1998-04-16
EP0652820A1 (en) 1995-05-17
ES2109370T3 (es) 1998-01-16
EP0652820B1 (en) 1997-10-22
ATE159451T1 (de) 1997-11-15
US5547535A (en) 1996-08-20
ITMI921676A1 (it) 1994-01-09
AU2408392A (en) 1994-01-31
ITMI921676A0 (it) 1992-07-09
DK0652820T3 (da) 1998-05-25
KR100193109B1 (ko) 1999-06-15
CA2139784A1 (en) 1994-01-20
JPH07508940A (ja) 1995-10-05
KR950702152A (ko) 1995-06-19
TW247296B (it) 1995-05-11
CA2139784C (en) 1998-06-09

Similar Documents

Publication Publication Date Title
DE3574365D1 (en) Receiving and stacking apparatus for strips of sheet material
FI882992A0 (fi) Pressmantel foer en press foer att avvattna ett bandformigt material.
IT1145151B (it) Dispositivo per l alimentazione di un materiale in nastro particolarmente per macchine da stampa
IT8120735A1 (it) Dispositivo per impilare automaticamente e senza interruzione piastre di supporto per circuiti stampati, alimentate in modo continuo da un trasportatore
GB1160892A (en) Apparatus for the Continuous Production of Lined Sheets of Hard Polyurethane Foam
IT8219293A0 (it) Pressa a nastri per nastri dimateriale fibroso.
IT1160200B (it) Dispositivo per pressare in continuo un nastro di materiale di pressatura, specilamente per la produzione di nastri di laminato
IT1255329B (it) Procedimento per la produzione di laminati plastici con alimentazione e nastro
GB1482822A (en) Method of feeding strip material via a strip accumulator to a processing line
GB1456347A (en) Document feeder apparatus
DE69212625D1 (de) Zuführvorrichtung für Bögen, die, die Blattabnahme von der Zuführbahn erleichtert
CA984861A (en) Feeding apparatus for continuous laminating press
AU475704B2 (en) Process for extrusion laminating a thermoplastic polyolefin on a substrate
ITMI930224A0 (it) Procedimento per la produzione di laminati plastici con lamine metalliche in specie per circuiti stampati con lamine a doppio nastro
GB1106750A (en) A method of and means for making printed circuits and similar laminates
JPS56117913A (en) Part sequential feeder
GB1353054A (en) Platen presses
EP0087051A3 (de) Basismaterial für flexible gedruckte Schaltungen
PT65537B (en) A machine for perforating high density polyethylene film or the like film material
IT1083768B (it) Separatore per apparecchi trasportatori ad aspirazione,specialmente per il trasporto di materiale polveriforme
AT365887B (de) Stetigfoerderer, insbesondere zum foerdern von koernigem futter
ES389405A1 (es) Procedimiento para la fabricacion de materiales laminares multicapa.
AR211025A1 (es) Alimentador de hojas para la alimentacion individual desde una pila.
NL180187C (nl) Gelamineerd materiaal bestaande uit tenminste een laag lood en een laag koper en werkwijze voor het vervaardigen daarvan.
IT977827B (it) Dispositivo di regolazione del tac chetto laterale sul tavolo di intro duzione dei mettifoglio con intro duzione di un foglio alla volta

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960522