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Useful Advices - Art to Part in Plastics: Molding Dreams into Reality
An introduction to Injection Molding.
Every plastic product you see needs to be shaped, and the most common method is Injection Molding. Most pe
Every plastic product you see needs to be shaped, and the most common method is Injection Molding. Most pe
According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product
ople using their computer to read this give no thought to how all those plastic parts were formed. Or how complex and expensive it is even to pro
; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.
Examples of combination products may in
Examples of combination products may in
uce a ballpoint pen. Just about every part made of plastic these days is formed using some kind of an injection mold, from tiny precision parts t
lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.
at can barely be seen to large automotive exterior parts. Just about every industry relies on some kind of injection mold for their products.
In
In
here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe
ection molding is the forcing of molten plastic into a shaping cavity. An injection molding machine has three basic components:
1) Injection. Pl
1) Injection. Pl
d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.
Combination pro
Combination pro
stic pellets are fed into a hopper and then heated up. Once they are melted they are injected under extremely high pressure into a mold.
2) Mold
2) Mold
ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc
. This is a custom designed tool for shaping and cooling the melted plastic. Two halves are precisely designed with cavities for the shaping of t
easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi
e part, channels for cooling the molten plastic, and an ejection system.
3) Clamping. This is the part of the machine that holds the removable m
3) Clamping. This is the part of the machine that holds the removable m
nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically
ld in place, keeps the two halves together during molding, and opens the mold for part ejection.
Molds are complex and must be of heavy-duty con
Molds are complex and must be of heavy-duty con
and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ
truction since they are subjected to a considerable amount of pressure. They are usually carved/milled out of aluminum or steel blocks and contai
ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi
many different parts such as the mold base, clamp plates, support plates, ejector plates and pins, guide pins, sprue puller pins, and of course,
ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.
Following aspects would a
Following aspects would a
the two cavities with channels for the molted plastic flow, cooling and/or secondary heating units. The mold is the most expensive part of injec
dd to the challenges in developing combination products:
Which markets to tap where the combination products can do fairly well?
Which combination prod
Which markets to tap where the combination products can do fairly well?
Which combination prod
ion molding, with molds ranging from a few thousand dollars to hundreds of thousands of dollars. Think about that next time you use that cheap pl
cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin
stic pen.
Injection molding started to catch on in the 1920’s and was used for simple products such as combs, toothbrushes, and simple industria
Injection molding started to catch on in the 1920’s and was used for simple products such as combs, toothbrushes, and simple industria
tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen
What would be the developing cost?
How to tackle the risks encountered during combination product developmen
parts. As the science of plastics and machining technology grew, molding became an increasingly popular way of manufacturing. With todays comput
t?
As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel
As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel
r-controlled milling and molding machines, just about any idea or design can be shaped into plastic.
Ever wonder how they make hollow plastic sp
Ever wonder how they make hollow plastic sp
ping new procedures for reviewing their safety, efficacy and quality.
Professional from academic institutions, pharmaceutical industries, health care indust
Professional from academic institutions, pharmaceutical industries, health care indust
heres? Rotational molding is a mold in which after the plastic is injected, it is spun around at high speeds and then quickly cooled. Scissors an
y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products
screwdrivers are made by insert molding. The metal part is suspended in the mold while the plastic flows around it. How about those plastic bott
.
As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de
As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de
es and food containers? Those are made by blow molding. There are also other processes such as thermoforming and extrusion.
Injection molding, t
Injection molding, t
elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.
Companies that provide selfless information through particip
Companies that provide selfless information through particip
rning dreams into reality. For more information and history on Injection Molding, please visit my blog at: http://www.injection-molds.blogspot.co
tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products
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