IT1131047B - Metodo e apparecchiatura per eliminare la linea di resistenza o trazione nella termoformatura - Google Patents

Metodo e apparecchiatura per eliminare la linea di resistenza o trazione nella termoformatura

Info

Publication number
IT1131047B
IT1131047B IT20878/80A IT2087880A IT1131047B IT 1131047 B IT1131047 B IT 1131047B IT 20878/80 A IT20878/80 A IT 20878/80A IT 2087880 A IT2087880 A IT 2087880A IT 1131047 B IT1131047 B IT 1131047B
Authority
IT
Italy
Prior art keywords
thermoforming
eliminate
resistance
equipment
traction line
Prior art date
Application number
IT20878/80A
Other languages
English (en)
Other versions
IT8020878A0 (it
Inventor
Kazuo Asano
Original Assignee
Asano Kenkyusho Kk
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 Asano Kenkyusho Kk filed Critical Asano Kenkyusho Kk
Publication of IT8020878A0 publication Critical patent/IT8020878A0/it
Application granted granted Critical
Publication of IT1131047B publication Critical patent/IT1131047B/it

Links

Classifications

    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
IT20878/80A 1979-11-20 1980-03-24 Metodo e apparecchiatura per eliminare la linea di resistenza o trazione nella termoformatura IT1131047B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15021079A JPS5672917A (en) 1979-11-20 1979-11-20 Thermal molding method for transfer of drag line inside

Publications (2)

Publication Number Publication Date
IT8020878A0 IT8020878A0 (it) 1980-03-24
IT1131047B true IT1131047B (it) 1986-06-18

Family

ID=15491931

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20878/80A IT1131047B (it) 1979-11-20 1980-03-24 Metodo e apparecchiatura per eliminare la linea di resistenza o trazione nella termoformatura

Country Status (4)

Country Link
JP (1) JPS5672917A (it)
DE (1) DE3010507C2 (it)
FR (1) FR2469995A1 (it)
IT (1) IT1131047B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1222138B (it) * 1987-07-27 1990-09-05 Eurodomestici Ind Riunite Metodo per produre armadi,ed armadi frigoriferi in particolare,ed armadio ottenuto con il metodo

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219307A (en) * 1961-09-20 1965-11-23 Leeds Sweete Products Inc Multi-part mold
FR1589149A (it) * 1968-09-13 1970-03-23
US3854860A (en) * 1971-01-04 1974-12-17 Kent Plastics Corp Apparatus for forming plastic articles from sheet materials

Also Published As

Publication number Publication date
DE3010507A1 (de) 1981-05-21
FR2469995A1 (fr) 1981-05-29
FR2469995B3 (it) 1982-11-05
IT8020878A0 (it) 1980-03-24
DE3010507C2 (de) 1982-10-14
JPS5672917A (en) 1981-06-17

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970128