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公开(公告)号：AT137785T
公开(公告)日：1996-05-15
申请号：AT88101843
申请日：1988-02-09
Applicant: HOECHST AG
Inventor： HELBERG JUERGEN DR , HEUFER GERT DR , KLOOS FRIEDRICH DR , LOEW WOLFGANG
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公开(公告)号：ZA9305681B
公开(公告)日：1994-02-07
申请号：ZA9305681
申请日：1993-08-05
Applicant: HOECHST AG
Inventor： LOEW WOLFGANG
CPC classification number: B32B27/08 , B29K2033/12 , B29L2031/769 , B32B27/308 , B32B27/32 , B32B2323/04 , B32B2333/12
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公开(公告)号：DE3922545A1
公开(公告)日：1991-01-17
申请号：DE3922545
申请日：1989-07-08
Applicant: HOECHST AG
Inventor： LOEW WOLFGANG
IPC: B29C44/06 , B29C44/22 , B29C44/46 , B29C44/50 , B29C44/56 , B29C44/60 , B29C49/00 , B29C49/22 , B29C49/46 , B29C51/20 , B29C67/20 , B29D22/00 , B32B7/02 , B65D1/00
Abstract: Plastic hollow parts with foamed walls which comprise a plurality of layers of different porosity are obtained if, during blow moulding, the preform in the blow mould is not only widened by an externally applied vacuum, but a vacuum is also generated inside it.
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公开(公告)号：FI880583A0
公开(公告)日：1988-02-09
申请号：FI880583
申请日：1988-02-09
Applicant: HOECHST AG
Inventor： HELBERG JUERGEN , HEUFER GERT , KLOOS FRIEDRICH , LOEW WOLFGANG
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公开(公告)号：DE3409319C1
公开(公告)日：1985-03-14
申请号：DE3409319
申请日：1984-03-14
Applicant: HOECHST AG
Inventor： RIEDEL ERHARD , LOEW WOLFGANG
Abstract: Rigid and dimensionally stable foamed plastics mouldings having an outer zone of relatively high density and a core of relatively low density are obtained if a liquefied gas is introduced into a prefoamed preform.
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Patent Agency Ranking
公开(公告)号：DE59004661D1
公开(公告)日：1994-03-31
申请号：DE59004661
申请日：1990-07-05
Applicant: HOECHST AG
Inventor： LOEW WOLFGANG
IPC: B29C44/06 , B29C44/22 , B29C44/46 , B29C44/50 , B29C44/56 , B29C44/60 , B29C49/00 , B29C49/22 , B29C49/46 , B29C51/20 , B29C67/20 , B29D22/00 , B32B7/02 , B65D1/00
Abstract: Plastic hollow parts with foamed walls which comprise a plurality of layers of different porosity are obtained if, during blow moulding, the preform in the blow mould is not only widened by an externally applied vacuum, but a vacuum is also generated inside it.
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公开(公告)号：FI880583A
公开(公告)日：1988-08-12
申请号：FI880583
申请日：1988-02-09
Applicant: HOECHST AG
Inventor： HELBERG JUERGEN , HEUFER GERT , KLOOS FRIEDRICH , LOEW WOLFGANG
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公开(公告)号：DE59307732D1
公开(公告)日：1998-01-08
申请号：DE59307732
申请日：1993-08-02
Applicant: HOECHST AG
Inventor： LOEW WOLFGANG
IPC: B32B27/08
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公开(公告)号：AT160534T
公开(公告)日：1997-12-15
申请号：AT93112350
申请日：1993-08-02
Applicant: HOECHST AG
Inventor： LOEW WOLFGANG
IPC: B32B27/08
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公开(公告)号：DE3855261D1
公开(公告)日：1996-06-13
申请号：DE3855261
申请日：1988-02-09
Applicant: HOECHST AG
Inventor： HELBERG JUERGEN DR , HEUFER GERT DR , KLOOS FRIEDRICH DR , LOEW WOLFGANG
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